Lamp: Difference between revisions

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__NOTOC__
__NOTOC__
<h1> {lamp} &mdash; (Replace this with Meaning of symbol) &mdash; Keystroke ?ALT+X &mdash; Character 0000</h1>
<h1> {lamp} &mdash; Comment Indicator &mdash; Keystroke ALT+, (Comma) &mdash; Character 9053 or x235D</h1>
 
[[File:APLKB-Lamp.png]]
==Alternate Names==
This symbol is also known as <big>comment</big> or APL text symbol '''&#123;comment}''' .
 
==Usage==
==Usage==
The lamp symbol <big>{lamp}</big> 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 [[functions|function]]. All characters after {lamp} are ignored until the end of the line. The [[diamond]] (<big><big>{diamond}</big></big>) operator cannot be used to start a new line after a <big>{lamp}</big> symbol is used.
==Example==
==Example==
==See Also==
<code><big>
 
:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;yes←10 ⋄ yes←20
 
:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;yes
:20
:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;yes←10 ⍝ more ⋄ yes←20
:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;yes
:10
</big></code>


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Latest revision as of 06:58, 14 March 2013

⍝ — 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


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