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Update langref to new splat syntax

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antlilja 2023-07-07 21:52:43 +02:00 committed by Andrew Kelley
parent a0ec2266fe
commit 299e86598d
1 changed files with 7 additions and 7 deletions
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14
doc/langref.html.in
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@ -9239,10 +9239,10 @@ test "vector @shuffle" {
{#header_close#}
{#header_open|@splat#}
<pre>{#syntax#}@splat(comptime len: u32, scalar: anytype) @Vector(len, @TypeOf(scalar)){#endsyntax#}</pre>
<pre>{#syntax#}@splat(scalar: anytype) anytype{#endsyntax#}</pre>
<p>
Produces a vector of length {#syntax#}len{#endsyntax#} where each element is the value
{#syntax#}scalar{#endsyntax#}:
Produces a vector where each element is the value {#syntax#}scalar{#endsyntax#}.
The return type and thus the length of the vector is inferred.
</p>
{#code_begin|test|test_splat_builtin#}
const std = @import("std");
@ -9250,8 +9250,7 @@ const expect = std.testing.expect;
test "vector @splat" {
const scalar: u32 = 5;
const result = @splat(4, scalar);
try comptime expect(@TypeOf(result) == @Vector(4, u32));
const result: @Vector(4, u32) = @splat(scalar);
try expect(std.mem.eql(u32, &@as([4]u32, result), &[_]u32{ 5, 5, 5, 5 }));
}
{#code_end#}
@ -9292,8 +9291,9 @@ const std = @import("std");
const expect = std.testing.expect;
test "vector @reduce" {
const value = @Vector(4, i32){ 1, -1, 1, -1 };
const result = value > @splat(4, @as(i32, 0));
const V = @Vector(4, i32);
const value = V{ 1, -1, 1, -1 };
const result = value > @as(V, @splat(0));
// result is { true, false, true, false };
try comptime expect(@TypeOf(result) == @Vector(4, bool));
const is_all_true = @reduce(.And, result);