pico

src/string_immutable.zig

@@ -360,47 +360,4 @@ test "sortDesc" {
     std.testing.expectEqualStrings(sorted_join, string_join);
 }
 
-pub fn ExactSizeMatcher(comptime max_bytes: usize) type {
-    const T = std.meta.Int(
-        .unsigned,
-        max_bytes * 8,
-    );
-
-    return struct {
-        pub fn match(str: anytype) T {
-            return hash(str) orelse std.math.maxInt(T);
-        }
-
-        pub fn case(comptime str: []const u8) T {
-            return hash(str) orelse std.math.maxInt(T);
-        }
-
-        fn hash(str: anytype) ?T {
-            if (str.len > max_bytes) return null;
-            var tmp = [_]u8{0} ** max_bytes;
-            std.mem.copy(u8, &tmp, str[0..str.len]);
-            return std.mem.readIntNative(T, &tmp);
-        }
-
-        fn hashUnsafe(str: anytype) T {
-            var tmp = [_]u8{0} ** max_bytes;
-            std.mem.copy(u8, &tmp, str[0..str.len]);
-            return std.mem.readIntNative(T, &tmp);
-        }
-    };
-}
-
-const eight = ExactSizeMatcher(8);
-
-test "ExactSizeMatcher 5 letter" {
-    const word = "yield";
-    expect(eight.match(word) == eight.case("yield"));
-    expect(eight.match(word) != eight.case("yields"));
-}
-
-test "ExactSizeMatcher 4 letter" {
-    const Four = ExactSizeMatcher(4);
-    const word = "from";
-    expect(Four.match(word) == Four.case("from"));
-    expect(Four.match(word) != Four.case("fro"));
-}
+pub usingnamespace @import("exact_size_matcher.zig");