mirror of
https://github.com/sharkdp/bat
synced 2024-12-20 17:23:07 +00:00
c76e27851c
Adds syntax support for source code for the Zig programming language. https://ziglang.org/
107 lines
2.4 KiB
Zig
Vendored
107 lines
2.4 KiB
Zig
Vendored
//! this is a top level doc, starts with "//!"
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const std = @import("std");
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pub fn main() anyerror!void {
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const stdout = std.io.getStdOut().writer();
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try stdout.print("Hello, {}!\n", .{"world"});
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}
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const expect = std.testing.expect;
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test "comments" {
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// comments start with "//" until newline
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// foo bar baz
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const x = true; // another comment
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expect(x);
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}
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/// a doc comment starts with "///"
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/// multiple lines are merged together
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const Timestamp = struct {
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/// number of seconds since epoch
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seconds: i64,
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/// number of nanoseconds past the second
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nano: u32,
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const Self = @This();
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pub fn unixEpoch() Self {
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return Self{
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.seconds = 0,
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.nanos = 0,
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};
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}
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};
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const my_val = switch (std.Target.current.os.tag) {
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.linux => "Linux",
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else => "not Linux",
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};
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const Book = enum {
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paperback,
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hardcover,
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ebook,
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pdf,
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};
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const TokenType = union(enum) {
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int: isize,
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float: f64,
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string: []const u8,
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};
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const array_lit: [4]u8 = .{ 11, 22, 33, 44 };
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const sentinal_lit = [_:0]u8{ 1, 2, 3, 4 };
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test "address of syntax" {
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// Get the address of a variable:
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const x: i32 = 1234;
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const x_ptr = &x;
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// Dereference a pointer:
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expect(x_ptr.* == 1234);
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// When you get the address of a const variable, you get a const pointer to a single item.
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expect(@TypeOf(x_ptr) == *const i32);
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// If you want to mutate the value, you'd need an address of a mutable variable:
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var y: i32 = 5678;
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const y_ptr = &y;
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expect(@TypeOf(y_ptr) == *i32);
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y_ptr.* += 1;
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expect(y_ptr.* == 5679);
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}
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// integer literals
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const decimal_int = 98222;
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const hex_int = 0xff;
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const another_hex_int = 0xFF;
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const octal_int = 0o755;
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const binary_int = 0b11110000;
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// underscores may be placed between two digits as a visual separator
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const one_billion = 1_000_000_000;
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const binary_mask = 0b1_1111_1111;
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const permissions = 0o7_5_5;
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const big_address = 0xFF80_0000_0000_0000;
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// float literals
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const floating_point = 123.0E+77;
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const another_float = 123.0;
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const yet_another = 123.0e+77;
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const hex_floating_point = 0x103.70p-5;
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const another_hex_float = 0x103.70;
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const yet_another_hex_float = 0x103.70P-5;
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// underscores may be placed between two digits as a visual separator
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const lightspeed = 299_792_458.000_000;
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const nanosecond = 0.000_000_001;
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const more_hex = 0x1234_5678.9ABC_CDEFp-10;
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fn max(comptime T: type, a: T, b: T) T {
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return if (a > b) a else b;
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}
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