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Code Issues Releases Wiki Activity

Making app pointer optional

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This commit is contained in:
Henry Fredrick Schreiner 2017-02-03 18:27:27 -05:00
parent 9c55fa2872
commit c10bece495
2 changed files with 10 additions and 4 deletions
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11
include/CLI.hpp
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@ -596,9 +596,16 @@ protected:
std::function<void(App*)> app_callback; std::function<void(App*)> app_callback;
public: public:
/// Set a callback to run at the end of parsing
void set_callback(std::function<void(App*)> callback) { App* set_callback(std::function<void(App*)> callback) {
app_callback = callback; app_callback = callback;
return this;
}
/// Don't have to worry about explicit App* in argument
App* set_callback(std::function<void()> callback) {
app_callback = [callback](App*){callback();};
return this;
} }
void run_callback() { void run_callback() {

3
tests/CLITest.cpp
View File

@ -338,10 +338,9 @@ TEST_F(TApp, Callbacks) {
}); });
auto sub2 = app.add_subcommand("sub2"); auto sub2 = app.add_subcommand("sub2");
bool val = false; bool val = false;
sub2->set_callback([&val](CLI::App*){ sub2->set_callback([&val](){
val = true; val = true;
}); });
app.reset(); app.reset();
args = {"sub2"}; args = {"sub2"};