zig/test/cases/var_args.zig
Andrew Kelley 32d8686da8 various fixes
* comptime expression is a block expression as it should be
 * fix var args when number of args passed is 0
 * implement const value equality for structs
 * fix indent when rendering container decl AST
 * IR: prevent duplicate generation of code when it is partially
   compile-time evaluated
 * implement compile time struct field pointer evaluation
 * fix compile time evaluation of slicing
2017-01-23 23:30:20 -05:00

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const assert = @import("std").debug.assert;
fn add(args: ...) -> i32 {
var sum = i32(0);
{comptime var i: usize = 0; inline while (i < args.len; i += 1) {
sum += args[i];
}}
return sum;
}
fn testAddArbitraryArgs() {
@setFnTest(this);
assert(add(i32(1), i32(2), i32(3), i32(4)) == 10);
assert(add(i32(1234)) == 1234);
assert(add() == 0);
}