Rebol Programming/catch

From Wikibooks, open books for an open world
Jump to navigation Jump to search

USAGE:

[edit | edit source]
CATCH block /name word 

DESCRIPTION:

[edit | edit source]

Catches a throw from a block and returns its value.

CATCH is a native value.

ARGUMENTS

[edit | edit source]
  • block -- Block to evaluate (Type: block)

REFINEMENTS

[edit | edit source]
  • /name -- Catches a named throw.
    • word -- One or more names (Type: word block)

SOURCE CODE

[edit | edit source]
catch: native[
    {Catches a throw from a block and returns its value.} 
    block [block!] "Block to evaluate" 
    /name "Catches a named throw." 
    word [word! block!] "One or more names"
]