19 lines
756 B
Text
19 lines
756 B
Text
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# Generally functions have a fixed number of un-named arguments.
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JustOne ← (1) # Nonadic. Returns a 1.
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PlusOne ← +1 # Monadic. Adds 1 to its argument.
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MeanOne ← ÷ 2 + # Dyadic. Mean of its two arguments.
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# Triadic = ++, Tetradic = +++, Pentadic = ++++, etc
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# Values are passed and returned on the stack.
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JustOne # -> 1 on the stack
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PlusOne # consumes the 1, adds 1, leaves the 2 on the stack.
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MeanOne 3 # MeanOne sees 3 and 2 on the stack and returns 2.5
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# Some functions can take an optional suffix.
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⁅1.23456 # ->1
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⁅₂1.23456 # -> 1.23
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# Some operators can take function packs, leading to more flexibility.
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# E.g. '⊃ fork' applies all the functions to its arguments.
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⊃(¯|+|-|÷|×|$"_ _ _"1) 2 3 # -> ¯2 5 1 1.5 6 "1 2 3"
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