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all: change optional to result of io (#16075)

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yuyi
2022-10-16 14:28:57 +08:00
committed by GitHub
parent 6e46933c55
commit f6844e9766
187 changed files with 1885 additions and 1874 deletions
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4
examples/dynamic_library_loading/use.v
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@@ -10,9 +10,9 @@ type FNAdder = fn (int, int) int
fn main() {
library_file_path := os.join_path(os.dir(@FILE), dl.get_libname('library'))
handle := dl.open_opt(library_file_path, dl.rtld_lazy)?
handle := dl.open_opt(library_file_path, dl.rtld_lazy)!
eprintln('handle: ${ptr_str(handle)}')
f := FNAdder(dl.sym_opt(handle, 'add_1')?)
f := FNAdder(dl.sym_opt(handle, 'add_1')!)
eprintln('f: ${ptr_str(f)}')
res := f(1, 2)
eprintln('res: $res')