Lamp

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⍝ — Comment Indicator — Keystroke ALT+, (Comma) — Character 9053 or x235D

APLKB-Lamp.png

Alternate Names

This symbol is also known as comment or APL text symbol {comment} .

Usage

The lamp symbol is used to add a comment to a typed-in line, whether an immediate execution statement given to the Session Manager or entered into the text of a function. All characters after ⍝ are ignored until the end of the line. The diamond () operator cannot be used to start a new line after a symbol is used.

Example

      yes←10 ⋄ yes←20
      yes
20
      yes←10 ⍝ more ⋄ yes←20
      yes
10


See Also
System Commands System Variables and Functions Operators
Keyboard
A+S
Alt ¨ ¯ < > × ÷
Sh ~ ! @ # $ % ^ & * ( ) _ +
Key ` 1 2 3 4 5 6 7 8 9 0 - =
A+S
Alt ? π
Sh Q W E R T Y U I O P { } |
Key q w e r t y u i o p [ ] \
A+S §
Alt '
Sh A S D F G H J K L : "
Key a s d f g h j k l ; '
A+S
Alt
Sh Z X C V B N M < > ?
Key z x c v b n m , . /
NARS 2000 Lang
Tool
Bar
+ - × ÷ * ! ? |
= < >
~ § π .. ,
/ \ ¨ .
_ ¯ Ø b e g p r v x