Evaluates its body when a condition is true.

Evaluates its body when a condition is false.

Performs a lazy Boolean AND.

Performs a lazy Boolean OR.

Tests several conditions in turn.

Successively tests a value for equality using eq?.

Successively tests a value for equality using same?.

Successively tests a value for equality using ==.

An endless loop.

Breaks out of a loop.

Skips the rest of a loop's current iteration.

Loops as long as a condition is true.

Loops as long as a condition is false.

Loops over each value produced by an iterator.

Loops over a numeric range.

Loops over an inclusive numeric range.

Yields each value produced by an iterator.

Defines a new type of place.

A shorthand for bind-place!.

Performs in-place addition or increment.

Performs in-place subtraction or decrement.

Performs in-place multiplication.

Performs in-place division or reciprocation.

Performs in-place Euclidean division or reciprocation.

Performs in-place remainder.

Performs in-place Euclidean remainder.

Replaces a number with its absolute value, in place.

Negates a number, in place.

Moves a number closer to a target number, in place.

Moves a number away from another number, in place.

Clamps a number to lie within a numeric range, in place.

Exchange values stored in two different places.

Attempt to match a value against several patterns.

Returns #t if a value matches a pattern.

Evaluates some forms when a value matches a pattern.

Evaluates multiple forms, returning the first form's result.

Replaces itself with the contents of a file.

Alternative syntax for nested function calls.

Alternative syntax for nested function calls.

Quasi-quotation.

Evaluate a quasi-quoted form.