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Diffstat (limited to '')
-rw-r--r-- | dhall/src/syntax/ast/expr.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/dhall/src/syntax/ast/expr.rs b/dhall/src/syntax/ast/expr.rs index ce0a3d2..8023771 100644 --- a/dhall/src/syntax/ast/expr.rs +++ b/dhall/src/syntax/ast/expr.rs @@ -257,10 +257,12 @@ impl Expr { } } -pub fn trivial_result<T>(x: Result<T, !>) -> T { +// Empty enum to indicate that no error can occur +enum X {} +fn trivial_result<T>(x: Result<T, X>) -> T { match x { Ok(x) => x, - Err(e) => e, + Err(e) => match e {}, } } |