Category talk:Wren-str: Difference between revisions
Added Str.fromBytes and Str.fromCodePoints methods. Removed type aliases which are no longer needed.
(→Source code: Adjustments mostly to extend case change methods to Latin-1 (ASCII only previously).) |
(Added Str.fromBytes and Str.fromCodePoints methods. Removed type aliases which are no longer needed.) |
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Line 268:
}
/* The indices (or ranges thereof) for all the following functions are measured in codepoints
library methods, the indices must be within bounds or errors will be generated. */
// Extracts the sub-string of 's' over the range 'r'.
Line 425 ⟶ 426:
if (final > 0) res.add(sub(s, first..-1))
return res
}
// Creates and returns a string from a list of bytes.
static fromBytes(ba) {
if (!(ba is List)) Fiber.abort("Argument must be list of bytes.")
var count = ba.count
if (count == 0) return ""
var chars = ba.map { |b| String.fromByte(b) }.toList
return (count < 1000) ? Strs.concat_(chars) : Strs.concat(chars, 1000)
}
// Creates and returns a string from a list of code points.
static fromCodePoints(ca) {
if (!(ca is List)) Fiber.abort("Argument must be list of code points.")
var count = ca.count
if (count == 0) return ""
var chars = ca.map { |c| String.fromCodePoint(c) }.toList
return (count < 1000) ? Strs.concat_(chars) : Strs.concat(chars, 1000)
}
}
Line 553 ⟶ 572:
}
}
}</lang>
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