Functions

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Cubically v3.1 has support for functions. A function definition starts with ⇒ (codepage 0x84) and ends in a newline (codepage 0x20). Functions do not have conventional names, such as foo or print. Instead they have integers for names. For example, this defines function 1 as R2L2:

⇒R2L2

This defines function 1 as R2L2, function 2 as U2D2, and function 3 as F2B2:

⇒R2L2
⇒U2D2
⇒F2B2

Functions are called with the f command. For example, this code executes R2L2U2D2F2B2:

⇒ R2L2
⇒ U2D2
⇒ F2B2
f1 f2 f3

Whitespace added for clarity.