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tools.walker: Give examples for breakpoint and breakpoint-if. Reported by tgunr

db4
Doug Coleman 2012-07-17 12:05:55 -07:00
parent 75a1303a36
commit ee1c45a403
1 changed files with 14 additions and 2 deletions
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16
basis/tools/walker/walker-docs.factor
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@ -3,11 +3,23 @@ USING: help.syntax help.markup tools.continuations sequences math words ;
HELP: breakpoint
{ $values { "word" word } }
{ $description "Annotates a word definition to enter the single stepper when executed." } ;
{ $description "Annotates a word definition to enter the single stepper when executed." }
{ $examples
{ $unchecked-example "USE: tools.walker \\ sq breakpoint"
""
}
} ;
HELP: breakpoint-if
{ $values { "word" word } { "quot" { $quotation "( -- ? )" } } }
{ $description "Annotates a word definition to enter the single stepper if the quotation yields true." } ;
{ $description "Annotates a word definition to enter the single stepper if the quotation yields true. The quotation has access to the datastack as it exists just before " { $snippet "word" } " is called." }
{ $examples
"Break if the input to sq is 3:"
{ $unchecked-example
"USE: tools.walker \\ sq [ dup 3 = ] breakpoint-if"
""
}
} ;
HELP: B
{ $description "An alias for " { $link break } ", defined in the " { $vocab-link "syntax" } " vocabulary so that it is always available." } ;