fix(nix-compat/nixbase32): mark encode_len/decode_len const r/6940

Change-Id: Ib688bbb37cd54cfcd01e5cb3a8c376414ee8311e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9926
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI

1 files changed, 2 insertions, 2 deletions

diff --git a/tvix/nix-compat/src/nixbase32.rs b/tvix/nix-compat/src/nixbase32.rs
index 9aed20054602..babf768addf2 100644
--- a/tvix/nix-compat/src/nixbase32.rs
+++ b/tvix/nix-compat/src/nixbase32.rs
@@ -134,12 +134,12 @@ fn find_invalid(input: &[u8]) -> u8 {
 }
 
 /// Returns the decoded length of an input of length len.
-pub fn decode_len(len: usize) -> usize {
+pub const fn decode_len(len: usize) -> usize {
     (len * 5) / 8
 }
 
 /// Returns the encoded length of an input of length len
-pub fn encode_len(len: usize) -> usize {
+pub const fn encode_len(len: usize) -> usize {
     (len * 8 + 4) / 5
 }