Traits
1 month ago
Either.php
1 month ago
Fns.php
1 month ago
Invoker.php
1 month ago
Logic.php
1 month ago
Obj.php
1 month ago
Relation.php
1 month ago
Str.php
1 month ago
Undefined.php
1 month ago
functions.php
1 month ago
functions.php
89 lines
| 1 | <?php |
| 2 | |
| 3 | namespace OTGS\Installer\FP; |
| 4 | |
| 5 | function partial( callable $function, $args ) { |
| 6 | $args = array_slice( func_get_args(), 1 ); |
| 7 | |
| 8 | return function () use ( $function, $args ) { |
| 9 | return call_user_func_array( $function, array_merge( $args, func_get_args() ) ); |
| 10 | }; |
| 11 | } |
| 12 | |
| 13 | function pipe( callable $f, callable $g ) { |
| 14 | return call_user_func_array( 'OTGS\Installer\FP\compose', array_reverse( func_get_args() ) ); |
| 15 | } |
| 16 | |
| 17 | function compose( callable $f, callable $g ) { |
| 18 | $functions = func_get_args(); |
| 19 | |
| 20 | return function () use ( $functions ) { |
| 21 | $args = func_get_args(); |
| 22 | foreach ( array_reverse( $functions ) as $function ) { |
| 23 | $args = array( call_user_func_array( $function, $args ) ); |
| 24 | } |
| 25 | |
| 26 | return current( $args ); |
| 27 | }; |
| 28 | } |
| 29 | |
| 30 | |
| 31 | function flip( callable $fn ) { |
| 32 | return function () use ( $fn ) { |
| 33 | $args = func_get_args(); |
| 34 | if ( count( $args ) > 1 ) { |
| 35 | $temp = $args[0]; |
| 36 | $args[0] = $args[1]; |
| 37 | $args[1] = $temp; |
| 38 | } |
| 39 | |
| 40 | return call_user_func_array( $fn, $args ); |
| 41 | }; |
| 42 | } |
| 43 | |
| 44 | function gatherArgs( callable $fn ) { |
| 45 | return function ( ...$args ) use ( $fn ) { |
| 46 | return $fn( $args ); |
| 47 | }; |
| 48 | } |
| 49 | |
| 50 | function invoke( $fnName ) { |
| 51 | return new _Invoker( $fnName ); |
| 52 | } |
| 53 | |
| 54 | function curryN( $count, Callable $fn ) { |
| 55 | $accumulator = function ( array $arguments ) use ( $count, $fn, &$accumulator ) { |
| 56 | return function () use ( $count, $fn, $arguments, $accumulator ) { |
| 57 | $oldArguments = $arguments; |
| 58 | $arguments = array_merge( $arguments, func_get_args() ); |
| 59 | |
| 60 | $replacementIndex = count( $oldArguments ); |
| 61 | for ( $i = 0; $i < $replacementIndex; $i ++ ) { |
| 62 | if ( count( $arguments ) <= $replacementIndex ) { |
| 63 | break; |
| 64 | } |
| 65 | if ( $arguments[ $i ] === Fns::__ ) { |
| 66 | $arguments[ $i ] = $arguments[ $replacementIndex ]; |
| 67 | unset( $arguments[ $replacementIndex ] ); |
| 68 | $arguments = array_values( $arguments ); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | if ( ! in_array( Fns::__, $arguments, true ) && $count <= count( $arguments ) ) { |
| 73 | return call_user_func_array( $fn, $arguments ); |
| 74 | } |
| 75 | |
| 76 | return $accumulator( $arguments ); |
| 77 | }; |
| 78 | }; |
| 79 | |
| 80 | return $accumulator( [] ); |
| 81 | } |
| 82 | |
| 83 | function tryCatch( callable $fn ) { |
| 84 | try { |
| 85 | return Right::of( $fn() ); |
| 86 | } catch ( \Exception $e ) { |
| 87 | return Either::left( $e ); |
| 88 | } |
| 89 | } |