Atomic types / Char (Character)
Char (Character)
A single alphanumeric character is of type "Char" in JM°.
Create
A char object is created between two single quotes:
'a'Special and control characters
| '\\' | Backslash |
| '\'' | Single quote |
| '"' | Double quote |
| '\n' | Line break |
| '\t' | Tab |
| '\r' | Return |
| '\f' | Line feed |
| '\b' | Backspace |
Umwandlung
In JM° wird generell sinngemäß umgewandelt, weshalb ein:
'5'.toIntzur Ganzzahl 5 konvertiert wird. Sollte eine Umwandlung nicht möglich sein, z.B. bei einem Buchstaben, so wird ein Fehler geworfen.
Die Ordinal-Zahl erhalten wir wie folgt:
'a'.ordDie Umkehrung lautet:
97.chrUnicode
UTF-8 - characters can be entered as in Java with '\uXXXX'. "XXXX" stands for 2 bytes in hex in this case.
Example:
'\u00ea'.printAt runtime, a character can also be converted to a Unicode string. The inversion is possible as well.
'x'.toUnicode.print # Ergibt: "\u0078"
"\\u0078".fromUnicode.print # Ergibt: 'x'In the second example the second backslash is necessary, otherwise the Unicode character is recognized and translated directly.
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