Function
at(_:_:)
Returns the character at a specific position in a string.
func at(_ string: any EcoreValue, _ index: any EcoreValue) throws -> EStringParameters
string-
The source string
index-
The position of the character (1-based)
Return Value
A single-character string
Discussion
The at operation returns the character at the specified 1-based index in the string. This is useful for character-level string manipulation.
Examples
let text = "Hello" as EString
let char = try at(text, 2) // Result: "e"
let firstChar = try at(text, 1) // Result: "H"