- Made the names of all exceptions lower-case.

18 files changed, 95 insertions, 95 deletions

diff --git a/stdlib/source/lux/concurrency/actor.lux b/stdlib/source/lux/concurrency/actor.lux
index ed62332a8..a50b7a046 100644
--- a/stdlib/source/lux/concurrency/actor.lux
+++ b/stdlib/source/lux/concurrency/actor.lux
@@ -19,9 +19,9 @@
       [promise #+ Promise promise "promise/" Monad<Promise>]
       [task #+ Task]))
 
-(exception: #export Poisoned)
+(exception: #export poisoned)
 
-(exception: #export (Dead {actor-name Text}
+(exception: #export (dead {actor-name Text}
                           {message-name Text})
   (format "  Actor: " actor-name "\n"
           "Message: " message-name "\n"))
@@ -137,7 +137,7 @@
           but allows the actor to handle previous messages."}
   (All [s] (-> (Actor s) (IO Bool)))
   (send (function (_ state self)
-          (task.throw Poisoned []))
+          (task.throw poisoned []))
         actor))
 
 ## [Syntax]
@@ -206,7 +206,7 @@
                 
                 ((stop cause state)
                  (:: promise.Monad<Promise> wrap
-                     (log! (if (ex.match? ..Poisoned cause)
+                     (log! (if (ex.match? ..poisoned cause)
                              (format "Counter was poisoned: " (%n state))
                              cause)))))
               
@@ -363,7 +363,7 @@
                                                         (~ g!self))]
                                    (if (~ g!sent?)
                                      ((~' wrap) (~ g!task))
-                                     ((~' wrap) (task.throw ..Dead [(~ (code.text (%ident actor-name)))
+                                     ((~' wrap) (task.throw ..dead [(~ (code.text (%ident actor-name)))
                                                                     (~ (code.text (%ident message-name)))]))))))))
                   ))
       )))
diff --git a/stdlib/source/lux/control/exception.lux b/stdlib/source/lux/control/exception.lux
index 2b5c40713..c3fc94277 100644
--- a/stdlib/source/lux/control/exception.lux
+++ b/stdlib/source/lux/control/exception.lux
@@ -79,10 +79,10 @@
               "It moslty just serves as a way to tag error messages for later catching."
               ""
               "Simple case:"
-              (exception: #export Some-Exception)
+              (exception: #export some-exception)
               ""
               "Complex case:"
-              (exception: #export [optional type-vars] (Some-Exception [optional Text] {arguments Int})
+              (exception: #export [optional type-vars] (some-exception [optional Text] {arguments Int})
                 optional-body))}
   (macro.with-gensyms [g!descriptor]
     (do @
diff --git a/stdlib/source/lux/control/region.lux b/stdlib/source/lux/control/region.lux
index 3729c00f2..f21076ad0 100644
--- a/stdlib/source/lux/control/region.lux
+++ b/stdlib/source/lux/control/region.lux
@@ -24,7 +24,7 @@
           "-----------------------------------------\n"
           "\n"))
 
-(exception: #export [a] (Clean-Up-Error {error Text}
+(exception: #export [a] (clean-up-error {error Text}
                                         {output (Error a)})
   (format error
           (case output
@@ -42,7 +42,7 @@
     output
 
     (#e.Error error|clean-up)
-    (ex.throw Clean-Up-Error [error|clean-up output])))
+    (ex.throw clean-up-error [error|clean-up output])))
 
 (def: #export (run Monad<m> computation)
   (All [m a]
diff --git a/stdlib/source/lux/data/coll/tree/rose/parser.lux b/stdlib/source/lux/data/coll/tree/rose/parser.lux
index bee1e07f9..3e3535649 100644
--- a/stdlib/source/lux/data/coll/tree/rose/parser.lux
+++ b/stdlib/source/lux/data/coll/tree/rose/parser.lux
@@ -27,7 +27,7 @@
   (function (_ zipper)
     (#E.Success [zipper (zipper.value zipper)])))
 
-(exception: #export Cannot-Move-Further)
+(exception: #export cannot-move-further)
 
 (do-template [<name> <direction>]
   [(def: #export <name>
@@ -35,7 +35,7 @@
      (function (_ zipper)
        (let [next (<direction> zipper)]
          (if (is? zipper next)
-           (ex.throw Cannot-Move-Further [])
+           (ex.throw cannot-move-further [])
            (#E.Success [next []])))))]
 
   [up        zipper.up]
diff --git a/stdlib/source/lux/data/format/context.lux b/stdlib/source/lux/data/format/context.lux
index 1810a66a2..e84e29026 100644
--- a/stdlib/source/lux/data/format/context.lux
+++ b/stdlib/source/lux/data/format/context.lux
@@ -6,7 +6,7 @@
        (data ["E" error]
              (coll (dictionary ["dict" unordered #+ Dict])))))
 
-(exception: #export (Unknown-Property {property Text})
+(exception: #export (unknown-property {property Text})
   property)
 
 (type: #export Context
@@ -23,7 +23,7 @@
       (ex.return [context value])
       
       #.None
-      (ex.throw Unknown-Property name))))
+      (ex.throw unknown-property name))))
 
 (def: #export (run context property)
   (All [a] (-> Context (Property a) (E.Error a)))
diff --git a/stdlib/source/lux/data/format/xml.lux b/stdlib/source/lux/data/format/xml.lux
index 06b4b3994..23b12a42d 100644
--- a/stdlib/source/lux/data/format/xml.lux
+++ b/stdlib/source/lux/data/format/xml.lux
@@ -245,14 +245,14 @@
 (type: #export (Reader a)
   (p.Parser (List XML) a))
 
-(exception: #export Empty-Input)
-(exception: #export Unexpected-Input)
-(exception: #export Unknown-Attribute)
+(exception: #export empty-input)
+(exception: #export unexpected-input)
+(exception: #export unknown-attribute)
 
-(exception: #export (Wrong-Tag {tag Ident})
+(exception: #export (wrong-tag {tag Ident})
   (ident/encode tag))
 
-(exception: #export (Unconsumed-Inputs {inputs (List XML)})
+(exception: #export (unconsumed-inputs {inputs (List XML)})
   (|> inputs
       (list/map (:: Codec<Text,XML> encode))
       (text.join-with "\n\n")))
@@ -262,7 +262,7 @@
   (function (_ docs)
     (case docs
       #.Nil
-      (ex.throw Empty-Input [])
+      (ex.throw empty-input [])
       
       (#.Cons head tail)
       (case head
@@ -270,24 +270,24 @@
         (#E.Success [tail value])
         
         (#Node _)
-        (ex.throw Unexpected-Input [])))))
+        (ex.throw unexpected-input [])))))
 
 (def: #export (attr name)
   (-> Ident (Reader Text))
   (function (_ docs)
     (case docs
       #.Nil
-      (ex.throw Empty-Input [])
+      (ex.throw empty-input [])
       
       (#.Cons head _)
       (case head
         (#Text _)
-        (ex.throw Unexpected-Input [])
+        (ex.throw unexpected-input [])
         
         (#Node tag attrs children)
         (case (d.get name attrs)
           #.None
-          (ex.throw Unknown-Attribute [])
+          (ex.throw unknown-attribute [])
           
           (#.Some value)
           (#E.Success [docs value]))))))
@@ -298,7 +298,7 @@
     (#E.Success [remaining output])
     (if (list.empty? remaining)
       (#E.Success output)
-      (ex.throw Unconsumed-Inputs remaining))
+      (ex.throw unconsumed-inputs remaining))
     
     (#E.Error error)
     (#E.Error error)))
@@ -308,29 +308,29 @@
   (function (_ docs)
     (case docs
       #.Nil
-      (ex.throw Empty-Input [])
+      (ex.throw empty-input [])
       
       (#.Cons head _)
       (case head
         (#Text _)
-        (ex.throw Unexpected-Input [])
+        (ex.throw unexpected-input [])
         
         (#Node _tag _attrs _children)
         (if (ident/= tag _tag)
           (#E.Success [docs []])
-          (ex.throw Wrong-Tag tag))))))
+          (ex.throw wrong-tag tag))))))
 
 (def: #export (children reader)
   (All [a] (-> (Reader a) (Reader a)))
   (function (_ docs)
     (case docs
       #.Nil
-      (ex.throw Empty-Input [])
+      (ex.throw empty-input [])
       
       (#.Cons head tail)
       (case head
         (#Text _)
-        (ex.throw Unexpected-Input [])
+        (ex.throw unexpected-input [])
         
         (#Node _tag _attrs _children)
         (do E.Monad<Error>
@@ -342,7 +342,7 @@
   (function (_ docs)
     (case docs
       #.Nil
-      (ex.throw Empty-Input [])
+      (ex.throw empty-input [])
       
       (#.Cons head tail)
       (#E.Success [tail []]))))
diff --git a/stdlib/source/lux/lang/syntax.lux b/stdlib/source/lux/lang/syntax.lux
index 1296cfaa5..0fefc1929 100644
--- a/stdlib/source/lux/lang/syntax.lux
+++ b/stdlib/source/lux/lang/syntax.lux
@@ -589,10 +589,10 @@
   [tag    #.Tag    (p.after (l.this "#") (ident^ current-module aliases)) +1]
   )
 
-(exception: #export (End-Of-File {module Text})
+(exception: #export (end-of-file {module Text})
   module)
 
-(exception: #export (Unrecognized-Input {[file line column] Cursor})
+(exception: #export (unrecognized-input {[file line column] Cursor})
   (format "  File: " file "\n"
           "  Line: " (%n line) "\n"
           "Column: " (%n column) "\n"))
@@ -618,8 +618,8 @@
              (do @
                [end? l.end?]
                (if end?
-                 (p.fail (ex.construct End-Of-File current-module))
-                 (p.fail (ex.construct Unrecognized-Input where))))
+                 (p.fail (ex.construct end-of-file current-module))
+                 (p.fail (ex.construct unrecognized-input where))))
              )))))
 
 (def: #export (read current-module aliases [where offset source])
diff --git a/stdlib/source/lux/lang/type/check.lux b/stdlib/source/lux/lang/type/check.lux
index 8a32b2c4c..f71ac4150 100644
--- a/stdlib/source/lux/lang/type/check.lux
+++ b/stdlib/source/lux/lang/type/check.lux
@@ -14,22 +14,22 @@
        (lang [type "type/" Eq<Type>])
        ))
 
-(exception: #export (Unknown-Type-Var {id Nat})
+(exception: #export (unknown-type-var {id Nat})
   (nat/encode id))
 
-(exception: #export (Unbound-Type-Var {id Nat})
+(exception: #export (unbound-type-var {id Nat})
   (nat/encode id))
 
-(exception: #export (Invalid-Type-Application {funcT Type} {argT Type})
+(exception: #export (invalid-type-application {funcT Type} {argT Type})
   (type.to-text (#.Apply argT funcT)))
 
-(exception: #export (Cannot-Rebind-Var {id Nat} {type Type} {bound Type})
+(exception: #export (cannot-rebind-var {id Nat} {type Type} {bound Type})
   ($_ text/compose
       "         Var: " (nat/encode id) "\n"
       " Wanted Type: " (type.to-text type) "\n"
       "Current Type: " (type.to-text bound)))
 
-(exception: #export (Type-Check-Failed {expected Type} {actual Type})
+(exception: #export (type-check-failed {expected Type} {actual Type})
   ($_ text/compose
       "Expected: " (type.to-text expected) "\n\n"
       "  Actual: " (type.to-text actual)))
@@ -179,7 +179,7 @@
          (#e.Success [context <succeed>])
 
          #.None
-         (ex.throw Unknown-Type-Var id))))]
+         (ex.throw unknown-type-var id))))]
 
   [bound? Bool false true]
   [read (Maybe Type) #.None (#.Some bound)]
@@ -193,24 +193,24 @@
       (#e.Success [context bound])
 
       (#.Some #.None)
-      (ex.throw Unbound-Type-Var id)
+      (ex.throw unbound-type-var id)
 
       #.None
-      (ex.throw Unknown-Type-Var id))))
+      (ex.throw unknown-type-var id))))
 
 (def: #export (write type id)
   (-> Type Var (Check Unit))
   (function (_ context)
     (case (|> context (get@ #.var-bindings) (var::get id))
       (#.Some (#.Some bound))
-      (ex.throw Cannot-Rebind-Var [id type bound])
+      (ex.throw cannot-rebind-var [id type bound])
       
       (#.Some #.None)
       (#e.Success [(update@ #.var-bindings (var::put id (#.Some type)) context)
                    []])
 
       #.None
-      (ex.throw Unknown-Type-Var id))))
+      (ex.throw unknown-type-var id))))
 
 (def: (update type id)
   (-> Type Var (Check Unit))
@@ -221,7 +221,7 @@
                    []])
       
       #.None
-      (ex.throw Unknown-Type-Var id))))
+      (ex.throw unknown-type-var id))))
 
 (def: #export var
   (Check [Var Type])
@@ -252,7 +252,7 @@
       [?funcT' (read func-id)]
       (case ?funcT'
         #.None
-        (throw Invalid-Type-Application [funcT argT])
+        (throw invalid-type-application [funcT argT])
 
         (#.Some funcT')
         (apply-type! funcT' argT)))
@@ -261,7 +261,7 @@
     (function (_ context)
       (case (type.apply (list argT) funcT)
         #.None
-        (ex.throw Invalid-Type-Application [funcT argT])
+        (ex.throw invalid-type-application [funcT argT])
 
         (#.Some output)
         (#e.Success [context output])))))
@@ -290,7 +290,7 @@
         (#e.Success [context output])
         
         #.None
-        (ex.throw Unknown-Type-Var current)))))
+        (ex.throw unknown-type-var current)))))
 
 (def: #export fresh-context
   Type-Context
@@ -519,7 +519,7 @@
   (if (is? expected actual)
     (check/wrap assumptions)
     (with-error-stack
-      (function (_ _) (ex.construct Type-Check-Failed [expected actual]))
+      (function (_ _) (ex.construct type-check-failed [expected actual]))
       (case [expected actual]
         [(#.Var idE) (#.Var idA)]
         (check-vars check' assumptions idE idA)
diff --git a/stdlib/source/lux/macro/poly.lux b/stdlib/source/lux/macro/poly.lux
index 763596473..0c30eb9c2 100644
--- a/stdlib/source/lux/macro/poly.lux
+++ b/stdlib/source/lux/macro/poly.lux
@@ -286,7 +286,7 @@
       _
       (p.fail ($_ text/compose "Not a bound type: " (type.to-text headT))))))
 
-(exception: #export (Not-Existential-Type {type Type})
+(exception: #export (not-existential-type {type Type})
   (type.to-text type))
 
 (def: #export existential
@@ -298,7 +298,7 @@
       (wrap ex-id)
 
       _
-      (p.fail (ex.construct Not-Existential-Type headT)))))
+      (p.fail (ex.construct not-existential-type headT)))))
 
 (def: #export named
   (Poly [Ident Type])
diff --git a/stdlib/source/lux/math/constructive.lux b/stdlib/source/lux/math/constructive.lux
index c360a0552..4cc1a839e 100644
--- a/stdlib/source/lux/math/constructive.lux
+++ b/stdlib/source/lux/math/constructive.lux
@@ -188,9 +188,9 @@
   (#True p)
   (#False (not p)))
 
-(exception: #export Absurdity)
+(exception: #export absurd)
 
 (.def: #export absurdity
   (.All [p] (-> p .Bottom))
   (.function (_ proof)
-    (.error! (ex.construct Absurdity []))))
+    (.error! (ex.construct absurd []))))
diff --git a/stdlib/source/lux/math/modular.lux b/stdlib/source/lux/math/modular.lux
index 050c3feaa..068f688e2 100644
--- a/stdlib/source/lux/math/modular.lux
+++ b/stdlib/source/lux/math/modular.lux
@@ -13,7 +13,7 @@
               ["s" syntax #+ syntax:])
        [math]))
 
-(exception: #export Zero-Cannot-Be-A-Modulus)
+(exception: #export zero-cannot-be-a-modulus)
 
 (abstract: #export (Modulus m)
   {#.doc "A number used as a modulus in modular arithmetic.
@@ -24,7 +24,7 @@
   (def: #export (from-int value)
     (Ex [m] (-> Int (Error (Modulus m))))
     (if (i/= 0 value)
-      (ex.throw Zero-Cannot-Be-A-Modulus [])
+      (ex.throw zero-cannot-be-a-modulus [])
       (#e.Success (@abstraction value))))
 
   (def: #export (to-int modulus)
@@ -32,13 +32,13 @@
     (|> modulus @representation))
   )
 
-(exception: #export [m] (Incorrect-Modulus {modulus (Modulus m)}
+(exception: #export [m] (incorrect-modulus {modulus (Modulus m)}
                                            {parsed Int})
   ($_ text/compose
       "Expected: " (int/encode (to-int modulus)) "\n"
       "  Actual: " (int/encode parsed) "\n"))
 
-(exception: #export [rm sm] (Cannot-Equalize-Moduli {reference (Modulus rm)}
+(exception: #export [rm sm] (cannot-equalize-moduli {reference (Modulus rm)}
                                                     {sample (Modulus sm)})
   ($_ text/compose
       "Reference: " (int/encode (to-int reference)) "\n"
@@ -97,7 +97,7 @@
       (<| (l.run text)
           (do p.Monad<Parser>
             [[remainder _ _modulus] ($_ p.seq intL (l.this separator) intL)
-             _ (p.assert (ex.construct Incorrect-Modulus [modulus _modulus])
+             _ (p.assert (ex.construct incorrect-modulus [modulus _modulus])
                          (i/= (to-int modulus) _modulus))]
             (wrap (mod modulus remainder))))))
 
@@ -109,7 +109,7 @@
                (to-int sample-modulus))
         (#e.Success (@abstraction {#remainder sample
                                    #modulus reference-modulus}))
-        (ex.throw Cannot-Equalize-Moduli [reference-modulus sample-modulus]))))
+        (ex.throw cannot-equalize-moduli [reference-modulus sample-modulus]))))
 
   (do-template [<name> <op>]
     [(def: #export (<name> reference sample)
diff --git a/stdlib/source/lux/type/resource.lux b/stdlib/source/lux/type/resource.lux
index bbef1783a..15c51c8ef 100644
--- a/stdlib/source/lux/type/resource.lux
+++ b/stdlib/source/lux/type/resource.lux
@@ -117,10 +117,10 @@
     [read-sync  IO       io.Monad<IO>]
     [read-async Promise  promise.Monad<Promise>]))
 
-(exception: #export (Index-Cannot-Be-Repeated {index Nat})
+(exception: #export (index-cannot-be-repeated {index Nat})
   (%n index))
 
-(exception: #export Amount-Cannot-Be-Zero)
+(exception: #export amount-cannot-be-zero)
 
 (def: indices
   (Syntax (List Nat))
@@ -131,7 +131,7 @@
                  (wrap (list))
                  (do @
                    [head s.nat
-                    _ (p.assert (ex.construct Index-Cannot-Be-Repeated head)
+                    _ (p.assert (ex.construct index-cannot-be-repeated head)
                                 (not (set.member? seen head)))
                     tail (recur (set.add head seen))]
                    (wrap (list& head tail))))))))
@@ -178,7 +178,7 @@
   (Syntax Nat)
   (do p.Monad<Parser>
     [raw s.nat
-     _ (p.assert (ex.construct Amount-Cannot-Be-Zero [])
+     _ (p.assert (ex.construct amount-cannot-be-zero [])
                  (n/> +0 raw))]
     (wrap raw)))
 
diff --git a/stdlib/source/lux/world/blob.jvm.lux b/stdlib/source/lux/world/blob.jvm.lux
index a9078d69c..d644b3d68 100644
--- a/stdlib/source/lux/world/blob.jvm.lux
+++ b/stdlib/source/lux/world/blob.jvm.lux
@@ -9,10 +9,10 @@
              text/format)
        [host]))
 
-(exception: #export (Index-Out-Of-Bounds {description Text})
+(exception: #export (index-out-of-bounds {description Text})
   description)
 
-(exception: #export (Inverted-Range {description Text})
+(exception: #export (inverted-range {description Text})
   description)
 
 (type: #export Blob (host.type (Array byte)))
@@ -37,7 +37,7 @@
   (-> Nat Blob (e.Error Nat))
   (if (n/< (host.array-length blob) idx)
     (|> (host.array-read idx blob) byte-to-nat #e.Success)
-    (ex.throw Index-Out-Of-Bounds (%n idx))))
+    (ex.throw index-out-of-bounds (%n idx))))
 
 (def: #export (read-16 idx blob)
   (-> Nat Blob (e.Error Nat))
@@ -45,7 +45,7 @@
     (#e.Success ($_ bit.or
                     (bit.shift-left +8 (byte-to-nat (host.array-read idx blob)))
                     (byte-to-nat (host.array-read (n/+ +1 idx) blob))))
-    (ex.throw Index-Out-Of-Bounds (%n idx))))
+    (ex.throw index-out-of-bounds (%n idx))))
 
 (def: #export (read-32 idx blob)
   (-> Nat Blob (e.Error Nat))
@@ -55,7 +55,7 @@
                     (bit.shift-left +16 (byte-to-nat (host.array-read (n/+ +1 idx) blob)))
                     (bit.shift-left +8 (byte-to-nat (host.array-read (n/+ +2 idx) blob)))
                     (byte-to-nat (host.array-read (n/+ +3 idx) blob))))
-    (ex.throw Index-Out-Of-Bounds (%n idx))))
+    (ex.throw index-out-of-bounds (%n idx))))
 
 (def: #export (read-64 idx blob)
   (-> Nat Blob (e.Error Nat))
@@ -69,7 +69,7 @@
                     (bit.shift-left +16 (byte-to-nat (host.array-read (n/+ +5 idx) blob)))
                     (bit.shift-left +8 (byte-to-nat (host.array-read (n/+ +6 idx) blob)))
                     (byte-to-nat (host.array-read (n/+ +7 idx) blob))))
-    (ex.throw Index-Out-Of-Bounds (%n idx))))
+    (ex.throw index-out-of-bounds (%n idx))))
 
 (def: #export (write-8 idx value blob)
   (-> Nat Nat Blob (e.Error Unit))
@@ -77,7 +77,7 @@
     (exec (|> blob
               (host.array-write idx (host.long-to-byte (:! Int value))))
       (#e.Success []))
-    (ex.throw Index-Out-Of-Bounds (%n idx))))
+    (ex.throw index-out-of-bounds (%n idx))))
 
 (def: #export (write-16 idx value blob)
   (-> Nat Nat Blob (e.Error Unit))
@@ -86,7 +86,7 @@
               (host.array-write idx (host.long-to-byte (:! Int (bit.shift-right +8 value))))
               (host.array-write (n/+ +1 idx) (host.long-to-byte (:! Int value))))
       (#e.Success []))
-    (ex.throw Index-Out-Of-Bounds (%n idx))))
+    (ex.throw index-out-of-bounds (%n idx))))
 
 (def: #export (write-32 idx value blob)
   (-> Nat Nat Blob (e.Error Unit))
@@ -97,7 +97,7 @@
               (host.array-write (n/+ +2 idx) (host.long-to-byte (:! Int (bit.shift-right +8 value))))
               (host.array-write (n/+ +3 idx) (host.long-to-byte (:! Int value))))
       (#e.Success []))
-    (ex.throw Index-Out-Of-Bounds (%n idx))))
+    (ex.throw index-out-of-bounds (%n idx))))
 
 (def: #export (write-64 idx value blob)
   (-> Nat Nat Blob (e.Error Unit))
@@ -112,7 +112,7 @@
               (host.array-write (n/+ +6 idx) (host.long-to-byte (:! Int (bit.shift-right +8 value))))
               (host.array-write (n/+ +7 idx) (host.long-to-byte (:! Int value))))
       (#e.Success []))
-    (ex.throw Index-Out-Of-Bounds (%n idx))))
+    (ex.throw index-out-of-bounds (%n idx))))
 
 (def: #export (size blob)
   (-> Blob Nat)
@@ -123,11 +123,11 @@
   (with-expansions [<description> (as-is (format "from = " (%n from) " | " "to = " (%n to)))]
     (let [size (host.array-length blob)]
       (cond (not (n/<= to from))
-            (ex.throw Inverted-Range <description>)
+            (ex.throw inverted-range <description>)
 
             (not (and (n/< size from)
                       (n/< size to)))
-            (ex.throw Index-Out-Of-Bounds <description>)
+            (ex.throw index-out-of-bounds <description>)
 
             ## else
             (#e.Success (Arrays::copyOfRange [blob (:! Int from) (:! Int (n/inc to))]))))))
diff --git a/stdlib/source/lux/world/file.lux b/stdlib/source/lux/world/file.lux
index 957bbc7ef..3a729e936 100644
--- a/stdlib/source/lux/world/file.lux
+++ b/stdlib/source/lux/world/file.lux
@@ -11,10 +11,10 @@
 
 (type: #export File Text)
 
-(exception: #export (Could-Not-Read-All-Data {file File})
+(exception: #export (could-not-read-all-data {file File})
   file)
 
-(exception: #export (Not-A-Directory {file File})
+(exception: #export (not-a-directory {file File})
   file)
 
 (host.import #long java/io/File
@@ -75,7 +75,7 @@
      _ (AutoCloseable::close [] stream)]
     (if (i/= size bytes-read)
       (wrap data)
-      (io.io (ex.throw Could-Not-Read-All-Data file)))))
+      (io.io (ex.throw could-not-read-all-data file)))))
 
 (def: #export (size file)
   (-> File (Process Nat))
@@ -93,7 +93,7 @@
                  (array.to-list files))
 
       #.None
-      (io.throw Not-A-Directory dir))))
+      (io.throw not-a-directory dir))))
 
 (do-template [<name> <method>]
   [(def: #export (<name> file)
diff --git a/stdlib/source/lux/world/net/udp.jvm.lux b/stdlib/source/lux/world/net/udp.jvm.lux
index dbfa154d9..efa8c814a 100644
--- a/stdlib/source/lux/world/net/udp.jvm.lux
+++ b/stdlib/source/lux/world/net/udp.jvm.lux
@@ -40,10 +40,10 @@
 ############################################################
 ############################################################
 
-(exception: #export (Cannot-Resolve-Address {address //.Address})
+(exception: #export (cannot-resolve-address {address //.Address})
   address)
 
-(exception: #export (Multiple-Candidate-Addresses {address //.Address})
+(exception: #export (multiple-candidate-addresses {address //.Address})
   address)
 
 (def: (resolve address)
@@ -52,9 +52,9 @@
     [addresses (InetAddress::getAllByName [address])]
     (: (io.IO (e.Error InetAddress))
        (case (array.size addresses)
-         +0 (io.io (ex.throw Cannot-Resolve-Address address))
+         +0 (io.io (ex.throw cannot-resolve-address address))
          +1 (wrap (maybe.assume (array.read +0 addresses)))
-         _ (io.io (ex.throw Multiple-Candidate-Addresses address))))))
+         _ (io.io (ex.throw multiple-candidate-addresses address))))))
 
 (abstract: #export UDP {}
   {#socket DatagramSocket}
diff --git a/stdlib/test/test/lux/concurrency/actor.lux b/stdlib/test/test/lux/concurrency/actor.lux
index 685ab169b..dc924de27 100644
--- a/stdlib/test/test/lux/concurrency/actor.lux
+++ b/stdlib/test/test/lux/concurrency/actor.lux
@@ -22,7 +22,7 @@
      (wrap output)))
 
   ((stop cause state)
-   (P/wrap (log! (if (ex.match? &.Poisoned cause)
+   (P/wrap (log! (if (ex.match? &.poisoned cause)
                    (format "Counter was poisoned: " (%n state))
                    cause)))))
 
diff --git a/stdlib/test/test/lux/control/exception.lux b/stdlib/test/test/lux/control/exception.lux
index d6a879d75..dfd55abd4 100644
--- a/stdlib/test/test/lux/control/exception.lux
+++ b/stdlib/test/test/lux/control/exception.lux
@@ -10,11 +10,11 @@
        ["r" math/random])
   lux/test)
 
-(exception: Some-Exception)
+(exception: some-exception)
 
-(exception: Another-Exception)
+(exception: another-exception)
 
-(exception: Unknown-Exception)
+(exception: unknown-exception)
 
 (context: "Exceptions"
   (<| (times +100)
@@ -28,9 +28,9 @@
          otherwise-val r.nat
          #let [this-ex (if should-catch?
                          (if which?
-                           Some-Exception
-                           Another-Exception)
-                         Unknown-Exception)
+                           some-exception
+                           another-exception)
+                         unknown-exception)
                expected (if should-throw?
                           (if should-catch?
                             (if which?
@@ -42,8 +42,8 @@
                              (if should-throw?
                                (&.throw this-ex [])
                                (&.return default-val)))
-                          (&.catch Some-Exception (function (_ ex) some-val))
-                          (&.catch Another-Exception (function (_ ex) another-val))
+                          (&.catch some-exception (function (_ ex) some-val))
+                          (&.catch another-exception (function (_ ex) another-val))
                           (&.otherwise (function (_ ex) otherwise-val)))]]
         (test "Catch and otherwhise handlers can properly handle the flow of exception-handling."
               (n/= expected actual)))))
diff --git a/stdlib/test/test/lux/control/region.lux b/stdlib/test/test/lux/control/region.lux
index b0c9c14ac..a7a577ab5 100644
--- a/stdlib/test/test/lux/control/region.lux
+++ b/stdlib/test/test/lux/control/region.lux
@@ -10,7 +10,7 @@
        ["r" math/random])
   lux/test)
 
-(exception: Oops)
+(exception: oops)
 
 (do-template [<name> <success> <error>]
   [(def: (<name> result)
@@ -59,7 +59,7 @@
                                      (do (/.Monad<Region> @)
                                        [_ (monad.map @ (/.acquire @@ count-clean-up)
                                                      (list.n/range +1 expected-clean-ups))
-                                        _ (/.throw @@ Oops [])]
+                                        _ (/.throw @@ oops [])]
                                        (wrap [])))
                       actual-clean-ups (thread.read clean-up-counter)]
                      (wrap (and (error? outcome)
@@ -73,7 +73,7 @@
                             count-clean-up (function (_ value)
                                              (do @
                                                [_ (thread.update n/inc clean-up-counter)]
-                                               (wrap (: (Error Unit) (ex.throw Oops [])))))]
+                                               (wrap (: (Error Unit) (ex.throw oops [])))))]
                       outcome (/.run @
                                      (do (/.Monad<Region> @)
                                        [_ (monad.map @ (/.acquire @@ count-clean-up)