Diamond: Difference between revisions

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[[File:APLKB-Diamond.png]]
[[File:APLKB-Diamond.png]]
==Usage==
==Usage==
The diamond operator (<big><big>{diamond}</big></big>) is used in a [[functions|function]] to start a new statement on the same line. It is used similarly to the semi colon ('''<big>;</big>''') in C, Pascal, PHP and many other languages, or the colon ('''<big>:</big>''') and backslash ('''<big>\</big>''') in some versions of Basic. It allows another statement to be entered on the same line.
While the diamond operator (<big><big>{diamond}</big></big>) can be used in an immediate statement to the Session Manager, it is most commonly used in a [[functions|function]] to start a new statement on the same line. It is used similarly to the semi colon ('''<big>;</big>''') in C, Pascal, PHP and many other languages, or the colon ('''<big>:</big>''') and backslash ('''<big>\</big>''') in some versions of Basic. It allows another statement to be entered on the same line.
 
'''Note:''' The <big><big>{diamond}</big></big> operator cannot be used after a [[lamp]] (<big><big>{lamp}</big></big>) comment operator appears on the same line, as all characters after <big><big>{lamp}</big></big> are ignored.


Note: The <big><big>{diamond}</big></big> operator cannot be used after a [[lamp]] (<big><big>{lamp}</big></big>) comment operator appears on the same line, as all characters after <big><big>{lamp}</big></big> are ignored.
==Example==
==Example==
In this example, the variable K is tested to see if it is greater than or equal to 1. If the test fails, k is set to 1.<br/>
In this example, the variable K is tested to see if it is greater than or equal to 1. If the test fails, k is set to 1.<br/>

Revision as of 01:53, 14 March 2013

⋄ — Statement separator — Keystroke ALT+` (Accent grave) — Character 8900 or x22C4

Usage

While the diamond operator (⋄) can be used in an immediate statement to the Session Manager, it is most commonly used in a function to start a new statement on the same line. It is used similarly to the semi colon (;) in C, Pascal, PHP and many other languages, or the colon (:) and backslash (\) in some versions of Basic. It allows another statement to be entered on the same line.

Note: The ⋄ operator cannot be used after a lamp (⍝) comment operator appears on the same line, as all characters after ⍝ are ignored.

Example

In this example, the variable K is tested to see if it is greater than or equal to 1. If the test fails, k is set to 1.

→(k≥1)/Xr ⋄ K←1
Xr:

It is the same as

→(k≥1)/Xr
K←1
Xr:



See Also
System Commands System Variables and Functions Operators


Keyboard
Alt+Shift ⍪ ≡ ≢ ⍒ ⍋ ⌽ ⍉ ⊖ ⍟ ⍱ ⍲ ⍠ ⌹
Alt ⋄ ¨ ¯ < ≤ ∅ ≥ > ≠ ∨ ∧ × ÷
Shift ~ ! @ # $ % ^ & * ( ) _ +
Key ` 1 2 3 4 5 6 7 8 9 0 - =
Alt+Shift ⍷ √ ⍨ ⍸ ⍥ ⍣ ⍞ ⍬ ⊣
Alt ? ⍵ ∊ ⍴ § ↑ ↓ ⍳ ○ π ← → ⊢
Shift Q W E R T Y U I O P { } |
Key q w e r t y u i o p [ ] \
Alt+Shift ∫ ∂ ⌻ ⍢ ⍙ ⍤ ⍫ ⌷
Alt ⍺ ⌈ ⌊ ∞ ∇ ∆ ∘ ‼ ⎕ ⍎ ⍕
Shift A S D F G H J K L : "
Key a s d f g h j k l ; '
Alt+Shift ⊆ ⊇ χ ⍡ ⍭ ⊙
Alt ⊂ ⊃ ∩ ∪ ⊥ ⊤ ⍦ ⍝ ⍀ ⌿
Shift Z X C V B N M < > ?
Key z x c v b n m , . /
NARS 2000 Lang
Tool
Bar 		← → + - × ÷ * ⍟ ⌹ ○ ! ? √ | ⌈ ⌊ ⊥ ⊤ ⊣ ⊢
≡ ≢ < ≤ = ≥ > ≠ ∨ ∧ ⍱ ⍲ ↑ ↓ ⊂ ⊃ ⌷ ⍋ ⍒
⍳ ∊ ⍸ ⍷ ∪ ∩ ⊆ ⊇ ~ § π .. , ⍪ ⍴ ⌽ ⊖ ⍉
/ \ ⌿ ⍀ ⊙ ¨ ⍨ ⍤ ⍣ ⍡ ⍥ ⍦ . ∘ ⍠ ‼ ⌻ ∂ ∫ ⍞ ⎕ ⍎ ⍕
⋄ ⍝ ∇ ∆ ⍙ _ ⍺ ⍵ ¯ ⍬ ∞ ∅
Second Row i j k i j k l g p r v x

[[Category:Mouse Group {{{1}}}|{{{2}}}]]

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