Rebol Programming/if

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USAGE:[edit | edit source]

IF condition then-block /else else-block 

DESCRIPTION:[edit | edit source]

If condition is TRUE, evaluates the block.

IF is a native value.

ARGUMENTS:[edit | edit source]

  • condition -- (Type: any)
  • then-block -- (Type: block)

REFINEMENTS:[edit | edit source]

  • /else -- If not true, evaluate this block
    • else-block -- (Type: block)

SOURCE CODE[edit | edit source]

if: native[
    "If condition is TRUE, evaluates the block." 
    condition 
    then-block [block!] 
    /else "If not true, evaluate this block" 
    else-block [block!]
]