zig/test/cases/syntax.zig

61 lines
1.3 KiB
Zig

// Test trailing comma syntax
const struct_trailing_comma = struct { x: i32, y: i32, };
const struct_no_comma = struct { x: i32, y: i32 };
const struct_no_comma_void_type = struct { x: i32, y };
const struct_fn_no_comma = struct { fn m() {} y: i32 };
const enum_no_comma = enum { A, B };
const enum_no_comma_type = enum { A, B: i32 };
fn container_init() {
const S = struct { x: i32, y: i32 };
_ = S { .x = 1, .y = 2 };
_ = S { .x = 1, .y = 2, };
}
fn switch_cases(x: i32) {
switch (x) {
1,2,3 => {},
4,5, => {},
6...8, => {},
else => {},
}
}
fn switch_prongs(x: i32) {
switch (x) {
0 => {},
else => {},
}
switch (x) {
0 => {},
else => {}
}
}
const fn_no_comma = fn(i32, i32);
const fn_trailing_comma = fn(i32, i32,);
const fn_vararg_trailing_comma = fn(i32, i32, ...,);
fn fn_calls() {
fn add(x: i32, y: i32,) -> i32 { x + y };
_ = add(1, 2);
_ = add(1, 2,);
fn swallow(x: ...,) {};
_ = swallow(1,2,3,);
_ = swallow();
}
fn asm_lists() {
if (false) { // Build AST but don't analyze
asm ("not real assembly"
:[a] "x" (x),);
asm ("not real assembly"
:[a] "x" (->i32),:[a] "x" (1),);
asm ("still not real assembly"
:::"a","b",);
}
}