Nmingott: imported material

2025-05-03T22:08:01Z

imported material

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* This page content is taken from TerseGuide -> Literals.
* There is some extra formatting, there might be additions respect to the original.

" ---- Fundamentals
"
b _ true. "true pseudo-variable"
b _ false. "false pseudo-variable"
x _ nil. "nil object pseudo-variable"

" ---- Numbers
"
x _ 1. "SmallInteger literal"
x _ 3.14. "Float literal"
x _ 2e-2. "Fraction literal"
x _ 2.0e-2. "Float literal"
x _ 7/8. "Fraction literal"

" ...
"
x _ 16r0F. "SmallInteger literal".
x _ 16rFFFFFFFF. "LargePositiveInteger literal".
x _ 16rFFFFFFFF negated. "LargeNegativeInteger literal".
x _ -1. "negative SmallInteger literal"

" ---- Characters, Strings and Symbols
"
x _ 'Hello'. "String literal"
x _ 'I<nowiki>''</nowiki>m here'. "single quote escape"
x _ $A. "Character literal"
x _ $ . "Character literal (space)"
x _ #aSymbol. "Symbol literal"

" ---- Array and and other kind of list-like objects
"
x _ #(3 2 1). "Array literal"
x _ #('abc' 2 $a). "mixing of types allowed (all literal)"
x _ #[3 2 1 0]. "ByteArray literal"
x _ #[1.0 3.141592 6.02e23]. "Float64Array literal"

" ---- Composed Objects
"
x _ {'Hello' size. Float pi. 1.0 arcTan }. "Warning: NOT a literal. Created on each run"
x _ `{'Hello' size. Float pi. 1.0 arcTan }`. "Backtick syntax. Anything can be a literal!"
x _ `{ 1. 3. 5. 7. 11. 13. 17} asSet`. "A literal Set"
----Dr. Nicola Mingotti last updated on 06-Sep-2021.

Know the literals - Revision history

Nmingott: imported material