mirror of
https://github.com/ziglang/zig.git
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50 lines
1.0 KiB
Zig
50 lines
1.0 KiB
Zig
fn assert(ok: bool) void {
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if (!ok) unreachable;
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}
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pub fn main() void {
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var opt_val: ?i32 = 10;
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var null_val: ?i32 = null;
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var val1: i32 = opt_val.?;
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_ = &val1;
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const val1_1: i32 = opt_val.?;
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var ptr_val1 = &(opt_val.?);
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_ = &ptr_val1;
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const ptr_val1_1 = &(opt_val.?);
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var val2: i32 = null_val orelse 20;
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const val2_2: i32 = null_val orelse 20;
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var value: i32 = 20;
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var ptr_val2 = &(null_val orelse value);
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_ = &ptr_val2;
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const val3 = opt_val orelse 30;
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var val3_var = opt_val orelse 30;
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_ = &val3_var;
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assert(val1 == 10);
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assert(val1_1 == 10);
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assert(ptr_val1.* == 10);
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assert(ptr_val1_1.* == 10);
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assert(val2 == 20);
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assert(val2_2 == 20);
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assert(ptr_val2.* == 20);
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assert(val3 == 10);
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assert(val3_var == 10);
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(null_val orelse val2) = 1234;
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assert(val2 == 1234);
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(opt_val orelse val2) = 5678;
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assert(opt_val.? == 5678);
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}
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// run
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// backend=selfhosted,llvm
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// target=x86_64-linux,x86_64-macos
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//
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