diff --git a/src/lib.zig b/src/lib.zig
index 958782c..69d7b97 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -101,7 +101,7 @@ pub fn Channel(comptime T: type, comptime N: usize) type {
         };
 
         fn mask(idx: Index) Index {
-            return idx & (@intCast(Index, N) - 1);
+            return idx & (@as(Index, @intCast(N)) - 1);
         }
 
         pub fn init(allocator: Allocator) !Channel(T, N) {
@@ -123,9 +123,9 @@ pub fn Channel(comptime T: type, comptime N: usize) type {
         }
 
         pub fn deinit(self: *Channel(T, N), allocator: Allocator) void {
-            const indicies: []Index = @ptrCast([*]Index, self.tx.read)[0..2];
+            const indicies: [*]Index = @ptrCast(self.tx.read);
 
-            allocator.free(indicies);
+            allocator.free(indicies[0..2]);
             allocator.free(self.tx.ptr);
 
             self.* = undefined;
@@ -259,9 +259,9 @@ pub fn sext(comptime T: type, comptime U: type, value: T) T {
 
     const iT = std.meta.Int(.signed, @typeInfo(T).Int.bits);
     const ExtU = if (@typeInfo(U).Int.signedness == .unsigned) T else iT;
-    const shift_amt = @intCast(Log2Int(T), @typeInfo(T).Int.bits - @typeInfo(U).Int.bits);
+    const shift_amt: Log2Int(T) = @intCast(@typeInfo(T).Int.bits - @typeInfo(U).Int.bits);
 
-    return @bitCast(T, @bitCast(iT, @as(ExtU, @truncate(U, value)) << shift_amt) >> shift_amt);
+    return @bitCast(@as(iT, @bitCast(@as(ExtU, @as(U, @truncate(value))) << shift_amt)) >> shift_amt);
 }
 
 /// See https://godbolt.org/z/W3en9Eche
@@ -269,6 +269,6 @@ pub inline fn rotr(comptime T: type, x: T, r: anytype) T {
     if (@typeInfo(T).Int.signedness == .signed)
         @compileError("cannot rotate signed integer");
 
-    const ar = @intCast(Log2Int(T), @mod(r, @typeInfo(T).Int.bits));
+    const ar: Log2Int(T) = @intCast(@mod(r, @typeInfo(T).Int.bits));
     return x >> ar | x << (1 +% ~ar);
 }