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author | Dave Gauer <dave@ratfactor.com> | 2021-05-12 21:04:58 -0400 |
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committer | Dave Gauer <dave@ratfactor.com> | 2021-05-12 21:04:58 -0400 |
commit | 54c048b0a0ea5ee2136c4d4193660d4934eab925 (patch) | |
tree | ba1104262010622fc7ea1b2af393d5a149bca34b /exercises/085_async2.zig | |
parent | 3b0876153249362356166ea41ddb5241f4a5171f (diff) |
add ex085 async 2
Diffstat (limited to 'exercises/085_async2.zig')
-rw-r--r-- | exercises/085_async2.zig | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/exercises/085_async2.zig b/exercises/085_async2.zig new file mode 100644 index 0000000..0ca322e --- /dev/null +++ b/exercises/085_async2.zig @@ -0,0 +1,29 @@ +// +// So, 'suspend' returns control to the place from which it was +// called (the "call site"). How do we control back to the +// suspended function? +// +// For that, we have a new keyword called 'resume' which takes an +// async function invocation's frame and returns control to it. +// +// fn fooThatSuspends() void { +// suspend; +// } +// +// var foo_frame = async fooThatSuspends(); +// resume foo_frame; +// +// See if you can make this program print "Hello async!". +// +const print = @import("std").debug.print; + +pub fn main() void { + var foo_frame = async foo(); +} + +fn foo() void { + print("Hello ", .{}); + suspend; + print("async!\n", .{}); +} + |