Izdelovalcem knjižnic in izdelovalcem ogrodja bi lahko prišlo v poštev nekaj dodatnih funkcij za dinamično uporabo funkcij na elementih s seznama. Tu so 4 funkcije, ki jih navdihujejo JavaScript in PHP ekvivalenti, implementirani v Sass.
hodi ()
walk()Funkcija velja neko funkcijo, da vsak element seznama.
/// Apply `$function` with `$args` to each item from `$list`. /// @author Hugo Giraudel /// @param (List) $list - List of items /// @param (String) $function - Function to apply to every item from `$list` /// @param (Arglist) $args - Extra arguments to pass to `$function` /// @return (List) /// @throw There is no `#($function)` function. @function walk($list, $function, $args… ) ( @if not function-exists($function) ( @error "There is no `#($function)` function."; ) @for $i from 1 through length($list) ( $list: set-nth($list, $i, call($function, nth($list, $i), $args… )); ) @return $list; )Uporaba
walk ( walk: walk(red green blue, invert); walk: walk(red green blue, lighten, 20%); walk: walk(2 4 6 8 10, sqrt); )walk ( walk: cyan #ff7fff yellow; walk: #ff6666 #00e600 #6666ff; walk: 1.41421 2 2.44949 2.82843 3.16228; )nekaj ()
Se some()vrne, ali nekaj predmetov iz testa seznam prelaz dano (kot funkcija).
/// Return whether some items from `$list` passed `$function` test. /// @author Hugo Giraudel /// @param (List) $list - List of items /// @param (String) $function - Function to run on every item from `$list` /// @param (Arglist) $args - Extra arguments to pass to `$function` /// @return (Boolean) /// @throw There is no `#($function)` function. @function some($list, $function, $args… ) ( @if not function-exists($function) ( @error "There is no `#($function)` function."; ) @each $item in $list ( @if call($function, $item, $args… ) ( @return true; ) ) @return false; )Uporaba
some ( some: some(round ceil floor, function-exists); some: some(round ceil unknown, function-exists); some: some(completely unknown function, function-exists); some: some(4px 10px 20px, comparable, 42px); some: some(4px 10% 20px, comparable, 42%); some: some(4px 10px 20px, comparable, 42%); )some ( some: true; some: true; some: false; some: true; some: true; some: false; )vsak ()
Se every()vrne, ali vsakih predmetov iz testa seznam prelaz dano (kot funkcija).
/// Return whether all items from `$list` passed `$function` test. /// @author Hugo Giraudel /// @param (List) $list - List of items /// @param (String) $function - Function to run on every item from `$list` /// @param (Arglist) $args - Extra arguments to pass to `$function` /// @return (Boolean) /// @throw There is no `#($function)` function. @function every($list, $function, $args… ) ( @if not function-exists($function) ( @error "There is no `#($function)` function."; ) @each $item in $list ( @if not call($function, $item, $args… ) ( @return false; ) ) @return true; )Uporaba
every ( every: every(round ceil floor, function-exists); every: every(round ceil unknown, function-exists); every: every(completely unknown function, function-exists); every: every(4px 10px 20px, comparable, 42px); every: every(4px 10% 20px, comparable, 42%); every: every(4px 10px 20px, comparable, 42%); )every ( every: true; every: false; every: false; every: true; every: false; every: false; )funkcije-sprehod ()
functions-walk()Vrne seznam narejen na podlagi vsakega klicem funkcije.
/// Return a list made of the result of each function call from `$functions` with `$args`. /// @author Hugo Giraudel /// @param (List) $functions - List of functions to call /// @param (Arglist) $args - Extra arguments to pass to each function in `$functions` /// @return (List) /// @throw There is no `#($function)` function. @function functions-walk($functions, $args… ) ( $list: (); @each $function in $functions ( @if not function-exists($function) ( @error "There is no `#($function)` function."; ) $list: append($list, call($function, $args… )); ) @return $list; )Uporaba
functions-walk ( functions-walk: functions-walk('red' 'blue' 'green', #BADA55); functions-walk: functions-walk('round' 'ceil' 'floor', 3.1415279); )functions-walk ( functions-walk: 186 85 218; functions-walk: 3 4 3; )