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author | Nadrieril | 2020-11-01 16:10:00 +0000 |
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committer | Nadrieril | 2020-11-01 17:36:49 +0000 |
commit | 66ea301fc25a07485286560c434a9fdaf460c431 (patch) | |
tree | a0bc78be155be39e3da0ad5f61d7255057f8747a /dhall/src/utils.rs | |
parent | 2c245e7f5ce4019381e0fa47a1e2caf6276106be (diff) |
Untangle caching code
Diffstat (limited to 'dhall/src/utils.rs')
-rw-r--r-- | dhall/src/utils.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/dhall/src/utils.rs b/dhall/src/utils.rs new file mode 100644 index 0000000..d1e642a --- /dev/null +++ b/dhall/src/utils.rs @@ -0,0 +1,17 @@ +use std::fs::File; +use std::io::Read; +use std::path::Path; + +use crate::error::Error; + +// Compute the sha256 hash of a bitstring. +pub fn sha256_hash(data: &[u8]) -> Box<[u8]> { + use sha2::Digest; + sha2::Sha256::digest(data).as_slice().into() +} + +pub fn read_binary_file(path: impl AsRef<Path>) -> Result<Box<[u8]>, Error> { + let mut buffer = Vec::new(); + File::open(path)?.read_to_end(&mut buffer)?; + Ok(buffer.into()) +} |