zig/std/str.zig

33 lines
711 B
Zig

const assert = @import("index.zig").assert;
pub fn len(ptr: &const u8) -> isize {
var count: isize = 0;
while (ptr[count] != 0; count += 1) {}
return count;
}
pub fn from_c_const(str: &const u8) -> []const u8 {
return str[0...len(str)];
}
pub fn from_c(str: &u8) -> []u8 {
return str[0...len(str)];
}
pub const eql = slice_eql(u8);
pub fn slice_eql(T: type)(a: []const T, b: []const T) -> bool {
if (a.len != b.len) return false;
for (a) |item, index| {
if (b[index] != item) return false;
}
return true;
}
#attribute("test")
fn string_equality() {
assert(eql("abcd", "abcd"));
assert(!eql("abcdef", "abZdef"));
assert(!eql("abcdefg", "abcdef"));
}