Call a function: Difference between revisions
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<lang bqn>⟨+, -, ∾⟩</lang> |
<lang bqn>⟨+, -, ∾⟩</lang> |
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is an example of a list of functions, which can later be called with the help of a higher order function. |
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'''Obtaining the return value of a function:''' A block function will always return the value of the last statement within it. To obtain the return value of a function, you can assign it to a variable, or modify an existing variable with the return value. |
'''Obtaining the return value of a function:''' A block function will always return the value of the last statement within it. To obtain the return value of a function, you can assign it to a variable, or modify an existing variable with the return value. |
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Arguments are passed to BQN functions by value only. |
Arguments are passed to BQN functions by value only. |
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'''Partial Application:''' BQN has two combinators for this purpose. Before(<code>⊸</code>) returns a function with a constant left argument, and After(<code>⟜</code>) returns a function with a constant right argument. |
'''Partial Application:''' BQN has two combinators for this purpose. Before (<code>⊸</code>) returns a function with a constant left argument, and After (<code>⟜</code>) returns a function with a constant right argument. |
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<lang bqn>+⟜2</lang> will add two to the number given to it. |
<lang bqn>+⟜2</lang> will add two to the number given to it. |
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