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  1. :: (Adverse) Conjunction
    1. Common uses
    2. See Also

:: (Adverse) Conjunction

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Provides an alternative verb to be run if the first verb fails. 

   (+/ % #) :: ('bad data'"_)   i.8  NB. average the integers 0 to 7 inclusive
3.5

   (+/ % #) :: ('bad data'"_)   'string'  NB. cannot add characters this way.
bad data

Whitespace must separate verbA from :: 

   verbA:: verbB
|spelling error
|   verbA:: verbB
|   ^

   verbA :: verbB
verbA ::verbB

   (+/ % #):: ('bad data'"_)   i.8
|spelling error
|   (+/ % #):: ('bad data'"_)   i.8
|          ^

Common uses

1. Adverse can simplify opening a file or database for append access. Open :: Create name .

2. Close existing (garbage) form, or continue (without error) if no existing form is present: 

wd :: 0: 'psel fm; pclose'

See Also

CategoryVoc CategoryWorkInProgress

Vocabulary/coco (last edited 2012-02-26 15:31:02 by IanClark)