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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2014-02-10 16:35:37 +04:00
parent 2596b93e84
commit 402466f11a
1 changed files with 58 additions and 23 deletions
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81
Slang/slang.js
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@ -546,45 +546,80 @@ var BOOTSTRAP = [
'', '',
'-------------------------------------------------------------------------------', '-------------------------------------------------------------------------------',
'', '',
'Basic words for block manipulation:', ' Basic words for block manipulation:',
'',
' Get block length',
'', '',
'Get block length',
' [ 1 2 3 ] len', ' [ 1 2 3 ] len',
' Result:', ' -> [ 1 2 3 ] 3',
' [ 1 2 3 ] 3', '',
'',
' Pop element form block tail',
'', '',
'Pop element form block tail',
' [ 1 2 3 ] pop', ' [ 1 2 3 ] pop',
' Result:', ' -> [ 1 2 ] 3',
' [ 1 2 ] 3', '',
'',
' Push element to block tail',
'', '',
'Push element to block tail',
' [ 1 2 3 ] 4 push', ' [ 1 2 3 ] 4 push',
' Result:', ' -> [ 1 2 3 4 ]',
' [ 1 2 3 4 ]',
'', '',
'NOTE: all indexes can be negative values, these will indicate the', '',
' NOTE: all indexes can be negative values, these will indicate the',
' position relative to the tail, -1 being the last element.', ' position relative to the tail, -1 being the last element.',
'', '',
'Get element at position (0)', ' Get element at position (0)',
'',
' [ 1 2 3 ] -1 at', ' [ 1 2 3 ] -1 at',
' Result:', ' -> [ 1 2 3 ] 3',
' [ 1 2 3 ] 3', '',
'',
' Put element (123) at position (0)',
'', '',
'Put element (123) at position (0)',
' [ 1 2 3 ] 123 0 to', ' [ 1 2 3 ] 123 0 to',
' Result:', ' -> [ 123 2 3 ]',
' [ 123 2 3 ]', '',
'',
' Put element (123) before position (0)',
'', '',
'Put element (123) before position (0)',
' [ 1 2 3 ] 123 0 before', ' [ 1 2 3 ] 123 0 before',
' Result:', ' -> [ 123 1 2 3 ]',
' [ 123 1 2 3 ]', '',
'',
' Like before but puts the element after position',
'',
' [ 1 2 3 ] 123 0 after',
' -> [ 1 123 2 3 ]',
'',
'',
' Expand block to stack -- "block 2 stack"',
'', '',
'Expand block to stack -- "block 2 stack"',
' [ 1 2 3 ] b2s', ' [ 1 2 3 ] b2s',
' Result:', ' -> 1 2 3',
' 1 2 3', '',
'',
' Map a block/word to each element in a block',
'',
' [ 1 2 3 ] [ 1 add ] map',
' -> [ 2 3 4 ]',
' the returned value (stack) of the input block is put into the result',
' block, this enables us to both remove (empty stack) and expand (more',
' than one value) the resulting list...',
'',
' [ 1 2 3 4 ] [ dup ] map',
' -> [ 1 1 2 2 3 3 4 4 ]',
' [ 1 2 3 4 ] [ dup 2 gt ? [ ] else [ . ] ] map',
' -> [ 3 4 ]',
'',
' this enables us to construct words like filter, which makes the code',
' in the last example more readable:',
'',
' [ 1 2 3 4 ] [ 2 gt ] filter',
' -> [ 3 4 ]',
'',
'', '',
'', '',
'-------------------------------------------------------------------------------', '-------------------------------------------------------------------------------',