Language Tour

Keikaku is built on simplicity and explicitness.

Variables

1# Implicit declaration (preferred)
2name := "Keikaku"
3version := 1.0
4
5# Explicit declaration
6designate count = 42
7
8# Lists
9items := [1, 2, 3]

Functions (Protocols)

Functions are called protocols in Keikaku. They can accept arguments and yield values.

1protocol greet(name):
2    # String interpolation is automatic
3    declare("Hello,", name)
4    yield "done"
5
6result := greet("User")

Built-in Functions

• declare(...)

  Print to output.

• inquire(prompt)

  Read user input.

• measure(x)

  Get length of list/string.

• span(n)

  Create range [0..n-1].