---reveal---

  Data:  -
  Addr:  -
  Float: -

Switch to the exposed (public) portion of a lexical namespace.

Class: class:word | Namespace: global | Interface Layer: all

;

  Data:  -
  Addr:  -
  Float: -

End the current definition.

Class: class:macro | Namespace: global | Interface Layer: all

[

  Data:  -
  Addr:  -
  Float: -

Begin a quotation.

Class: class:macro | Namespace: global | Interface Layer: all

]

  Data:  -
  Addr:  -
  Float: -

End a quotation.

Class: class:macro | Namespace: global | Interface Layer: all

const

  Data:  ns-
  Addr:  -
  Float: -

Create a constant returning the specified value.

Class: class:word | Namespace: global | Interface Layer: all

drop

  Data:  n-
  Addr:  -
  Float: -

Discard the top value on the stack.

Class: class:primitive | Namespace: global | Interface Layer: all

dup

  Data:  n-nn
  Addr:  -
  Float: -

Duplicate the top item on the stack.

Class: class:primitive | Namespace: global | Interface Layer: all

eq?

  Data:  nn-f
  Addr:  -
  Float: -

Compare two values for equality. Returns `TRUE` if they are equal or `FALSE` otherwise.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    #1 #2 eq?
    $a $b eq?

f:*

  Data:  -
  Addr:  -
  Float: FF-F

Multiply two floating-point numbers, returning the result.

Class: class:word | Namespace: f | Interface Layer: rre

Example #1:

    .3.1415 .22 f:*

f:-INF

  Data:  -
  Addr:  -
  Float: -n

Return a value corresponding to negative infinity

Class: class:word | Namespace: f | Interface Layer: rre

f:-inf?

  Data:  -f
  Addr:  -
  Float: F-

Return `TRUE` if floating-point value is -INF or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre

f:INF

  Data:  -
  Addr:  -
  Float: -n

Return a value corresponding to positive infinity

Class: class:word | Namespace: f | Interface Layer: rre

f:NAN

  Data:  -
  Addr:  -
  Float: -n

Return a value corresponding to NaN

Class: class:word | Namespace: f | Interface Layer: rre

f:drop

  Data:  -
  Addr:  -
  Float: F-

Discard the top item on the floating-point stack.

Class: class:word | Namespace: f | Interface Layer: rre

f:dup

  Data:  -
  Addr:  -
  Float: F-FF

Duplicate the top item on the floating-point stack.

Class: class:word | Namespace: f | Interface Layer: rre

f:inf?

  Data:  -f
  Addr:  -
  Float: F-

Return `TRUE` if floating-point value is INF or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre

f:nan?

  Data:  -f
  Addr:  -
  Float: F-

Return `TRUE` if floating-point value is NaN or `FALSE` otherwise.

Class: class:word | Namespace: f | Interface Layer: rre

f:power

  Data:  -
  Addr:  -
  Float: FF-F

Return F1^F2 for floating-point values.

Class: class:word | Namespace: f | Interface Layer: rre

f:round

  Data:  -
  Addr:  -
  Float: f-f

Round a floating-point value.

Class: class:word | Namespace: f | Interface Layer: rre

f:square

  Data:  -
  Addr:  -
  Float: f-f

Return the square of a floating-point number.

Class: class:word | Namespace: f | Interface Layer: rre

f:to-number

  Data:  -n
  Addr:  -
  Float: F-

Convert a floating-point value into a number.

Class: class:word | Namespace: f | Interface Layer: rre

if

  Data:  fq-
  Addr:  -
  Float: -

Execute the quote if the flag is `TRUE`.

Class: class:word | Namespace: global | Interface Layer: all

n:MAX

  Data:  -n
  Addr:  -
  Float: -

Return the maximum value that will fit in a cell.

Class: class:word | Namespace: n | Interface Layer: all

n:MIN

  Data:  -n
  Addr:  -
  Float: -

Return the minimum value that will fit in a cell.

Class: class:word | Namespace: n | Interface Layer: all

n:between?

  Data:  nlu-f
  Addr:  -
  Float: -

Return TRUE if number is between the lower (l) and upper (u) bounds. If not, return FALSE. This is inclusive of the limits.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #3 #1 #100 n:between?
    $q $a $b   n:between?

n:dec

  Data:  n-m
  Addr:  -
  Float: -

Decrement n by one.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #100 n:dec

n:inc

  Data:  n-m
  Addr:  -
  Float: -

Increment n by one.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #100 n:inc

n:limit

  Data:  nlu-m
  Addr:  -
  Float: -

Return n if it is within the lower (l) and upper (u) bounds. If outside the bounds, return the closes boundary value.

Class: class:word | Namespace: n | Interface Layer: all

Example #1:

    #-10 #5 #8 n:limit
    #10  #1 #15 n:limit

n:negate

  Data:  n-n
  Addr:  -
  Float: -

Invert the sign of a number.

Class: class:word | Namespace: n | Interface Layer: rre

Example #1:

    #10 n:negate
    #-10 n:negate

n:to-float

  Data:  n-
  Addr:  -
  Float: -F

Convert a number into a floating-point value.

Class: class:word | Namespace: n | Interface Layer: rre

n:zero?

  Data:  n-f
  Addr:  -
  Float: -

Return `TRUE` if number is zero, or `FALSE` otherwise.

Class: class:word | Namespace: n | Interface Layer: all

{{

  Data:  -
  Addr:  -
  Float: -

Begin a lexically scoped area.

Class: class:word | Namespace: global | Interface Layer: all

}}

  Data:  -
  Addr:  -
  Float: -

End a lexically scoped area. This will hide any headers between `{{` and `---reveal---`, leaving only headers between `---reveal---` and the `}}` visible.

Class: class:word | Namespace: global | Interface Layer: all

sigil:'

  Data:  s-s
  Addr:  -
  Float: -

Process token as a string.

Interpret Time:
  Move string into temporary buffer. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space.

Compile Time:
  Move string into temporary buffer. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space. Then compile the string into the current definition.

Class: class:macro | Namespace: sigil | Interface Layer: all

sigil:(

  Data:  s-
  Addr:  -
  Float: -

Process token as a comment.

Interpret Time:
  Discard the string.

Compile Time:
  Discard the string.

Class: class:macro | Namespace: sigil | Interface Layer: all

sigil:.

  Data:  s-
  Addr:  -
  Float: -F

Interpret time: convert string to a floating-point value. Compile time: convert string to a floating-point value and compile code to push this value to the float stack.

Class: class:macro | Namespace: sigil | Interface Layer: rre

sigil::

  Data:  s-
  Addr:  -
  Float: -

Hook. Process token as a new definition.

Interpret Time:
  Create a header pointing to `here` with the provided string as the name. Sets class to `class:word`.

Class: class:macro | Namespace: sigil | Interface Layer: all