35 lines
1.1 KiB
Zig
35 lines
1.1 KiB
Zig
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//
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// A labeled switch in zig allows the usage of continue and break
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// just like loops, these allow you to create very concise
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// Finite State Automata to represent state transitions
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//
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// foo: switch (state) {
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// 1 => continue :foo 2,
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// 2 => continue :foo 3,
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// 3 => return,
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// 4 => {},
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// ...
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// }
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//
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const std = @import("std");
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const PullRequestState = enum {
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Draft,
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InReview,
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Approved,
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Rejected,
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Merged,
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};
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pub fn main() void {
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// Something is wrong, it seems your Pull Request can never be merged
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// try to fix it!
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pr: switch (@as(PullRequestState, PullRequestState.Draft)) {
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PullRequestState.Draft => continue :pr PullRequestState.InReview,
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PullRequestState.InReview => continue :pr PullRequestState.Rejected,
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PullRequestState.Approved => continue :pr PullRequestState.Merged,
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PullRequestState.Rejected => std.debug.print("The pull request has been rejected", .{}),
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PullRequestState.Merged => std.debug.print("The pull request has been merged", .{}),
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}
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}
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