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std.io supports printing integers as hex values

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remove "unnecessary if statement" error
this "depends on compile variable" code is too hard to validate,
and has false negatives. not worth it right now.

std.str removed, instead use std.mem.

std.mem.eql and std.mem.sliceEql merged and do not require explicit
type argument.
This commit is contained in:
Andrew Kelley
2017-02-07 17:19:51 -05:00
parent 92793252ad
commit 8a859afd58
18 changed files with 191 additions and 132 deletions
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38
test/run_tests.cpp
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@@ -471,21 +471,17 @@ const io = @import("std").io;
pub fn main(args: [][]u8) -> %void {
const array = []u8 {9, 8, 7, 6};
for (array) |item| {
%%io.stdout.printInt(@typeOf(item), item);
%%io.stdout.printf("\n");
%%io.stdout.printf("{}\n", item);
}
for (array) |item, index| {
%%io.stdout.printInt(@typeOf(index), index);
%%io.stdout.printf("\n");
%%io.stdout.printf("{}\n", index);
}
const unknown_size: []u8 = array;
for (unknown_size) |item| {
%%io.stdout.printInt(@typeOf(item), item);
%%io.stdout.printf("\n");
%%io.stdout.printf("{}\n", item);
}
for (unknown_size) |item, index| {
%%io.stdout.printInt(@typeOf(index), index);
%%io.stdout.printf("\n");
%%io.stdout.printf("{}\n", index);
}
}
)SOURCE", "9\n8\n7\n6\n0\n1\n2\n3\n9\n8\n7\n6\n0\n1\n2\n3\n");
@@ -1124,13 +1120,6 @@ fn get() -> usize { global_var }
".tmp_source.zig:3:8: note: called from here");
add_compile_fail_case("unnecessary if statement", R"SOURCE(
fn f() {
if (true) { }
}
)SOURCE", 1, ".tmp_source.zig:3:9: error: condition is always true; unnecessary if statement");
add_compile_fail_case("addition with non numbers", R"SOURCE(
const Foo = struct {
field: i32,
@@ -1588,25 +1577,6 @@ fn derp() {
}
)SOURCE", 1, ".tmp_source.zig:7:13: error: cannot assign to constant");
add_compile_fail_case("compare void with void is compile time known", R"SOURCE(
const Foo = struct {
a: void,
b: i32,
c: void,
};
fn f() {
const foo = Foo {
.a = {},
.b = 1,
.c = {},
};
if (foo.a != {}) {
@unreachable();
}
}
)SOURCE", 1, ".tmp_source.zig:14:15: error: condition is always false; unnecessary if statement");
add_compile_fail_case("return from defer expression", R"SOURCE(
pub fn testTrickyDefer() -> %void {
defer canFail() %% {};