Enable moving Opts into Parser

This also required keeping the reference type in the fluent interface
for Opts.

Removes another ~40 allocations.
This commit is contained in:
Martin Hořeňovský 2023-12-26 11:57:38 +01:00
parent c57e349d1d
commit 5d5f42f99b
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@ -495,10 +495,14 @@ namespace Catch {
m_ref( std::make_shared<BoundLambda<LambdaT>>( ref ) ), m_ref( std::make_shared<BoundLambda<LambdaT>>( ref ) ),
m_hint( hint ) {} m_hint( hint ) {}
auto operator()( StringRef description ) -> DerivedT& { DerivedT& operator()( StringRef description ) & {
m_description = description; m_description = description;
return static_cast<DerivedT&>( *this ); return static_cast<DerivedT&>( *this );
} }
DerivedT&& operator()( StringRef description ) && {
m_description = description;
return static_cast<DerivedT&&>( *this );
}
auto optional() -> DerivedT& { auto optional() -> DerivedT& {
m_optionality = Optionality::Optional; m_optionality = Optionality::Optional;
@ -567,10 +571,14 @@ namespace Catch {
Opt( T& ref, StringRef hint ): Opt( T& ref, StringRef hint ):
ParserRefImpl( ref, hint ) {} ParserRefImpl( ref, hint ) {}
auto operator[](std::string const& optName) -> Opt& { Opt& operator[]( std::string const& optName ) & {
m_optNames.push_back(optName); m_optNames.push_back(optName);
return *this; return *this;
} }
Opt&& operator[]( std::string const& optName ) && {
m_optNames.push_back( optName );
return CATCH_MOVE(*this);
}
Detail::HelpColumns getHelpColumns() const; Detail::HelpColumns getHelpColumns() const;
@ -628,21 +636,25 @@ namespace Catch {
return *this; return *this;
} }
auto operator|=(Opt const& opt) -> Parser& { friend Parser& operator|=( Parser& p, Opt const& opt ) {
m_options.push_back(opt); p.m_options.push_back( opt );
return *this; return p;
}
friend Parser& operator|=( Parser& p, Opt&& opt ) {
p.m_options.push_back( CATCH_MOVE(opt) );
return p;
} }
Parser& operator|=(Parser const& other); Parser& operator|=(Parser const& other);
template <typename T> template <typename T>
friend Parser operator|(Parser const& p, T const& rhs) { friend Parser operator|( Parser const& p, T&& rhs ) {
return Parser( p ) |= rhs; return Parser( p ) |= CATCH_FORWARD(rhs);
} }
template <typename T> template <typename T>
friend Parser operator|( Parser&& p, T const& rhs ) { friend Parser operator|( Parser&& p, T&& rhs ) {
p |= rhs; p |= CATCH_FORWARD(rhs);
return CATCH_MOVE(p); return CATCH_MOVE(p);
} }