zig

string_literals.zig (924B) - Raw

---

 const print = @import("std").debug.print;
 const mem = @import("std").mem; // will be used to compare bytes
 
 pub fn main() void {
     const bytes = "hello";
     print("{}\n", .{@TypeOf(bytes)}); // *const [5:0]u8
     print("{d}\n", .{bytes.len}); // 5
     print("{c}\n", .{bytes[1]}); // 'e'
     print("{d}\n", .{bytes[5]}); // 0
     print("{}\n", .{'e' == '\x65'}); // true
     print("{d}\n", .{'\u{1f4a9}'}); // 128169
     print("{d}\n", .{'💯'}); // 128175
     print("{u}\n", .{'⚡'});
     print("{}\n", .{mem.eql(u8, "hello", "h\x65llo")}); // true
     print("{}\n", .{mem.eql(u8, "💯", "\xf0\x9f\x92\xaf")}); // also true
     const invalid_utf8 = "\xff\xfe"; // non-UTF-8 strings are possible with \xNN notation.
     print("0x{x}\n", .{invalid_utf8[1]}); // indexing them returns individual bytes...
     print("0x{x}\n", .{"💯"[1]}); // ...as does indexing part-way through non-ASCII characters
 }
 
 // exe=succeed