1 files changed, 3 insertions, 3 deletions
diff --git a/src/block.rs b/src/block.rs
index 2b7907a..8d6517d 100644
--- a/src/block.rs
+++ b/src/block.rs
@@ -115,7 +115,7 @@ impl Block {
     /// Computes self * 2^exponent
     ///
     /// Ensures that there's no overflow in computing 2^exponent.
-    pub fn exp(&self, exponent: u32) -> Block {
+    pub fn exp(&self, exponent: usize) -> Block {
         match exponent {
             _ if exponent < 32 => *self * (1 << exponent),
             _ if exponent % 2 == 0 => self.exp(exponent / 2).exp(exponent / 2),
@@ -266,9 +266,9 @@ impl IndexMut<usize> for Block {
     }
 }
 
-impl Mul<u32> for Block {
+impl Mul<usize> for Block {
     type Output = Block;
-    fn mul(self, rhs: u32) -> Block {
+    fn mul(self, rhs: usize) -> Block {
         match rhs {
             0 => Block::null(),
             1 => self,