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escaping string

escaping string, very terse . Update: a bit more terse, and perf improvement by using .ToCharArray() and Array.iter

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    let internal escape_char (c:char) : bool * string = 
        match c with 
        | '\r' -> true, "\\r"
        | '\n' -> true, "\\n"
        | '\t' -> true, "\\t"
        | '"'  -> true, "\\\""
        | _ -> false, null

    let internal escape_string (str:string) = 
        let buf = new StringBuilder(str.Length)
        for c in str do
            match escape_char c with
            | true, s  -> buf.Append s |> ignore
            | false, _ -> buf.Append c |> ignore
        buf.ToString()
val internal escape_char : c:char -> bool * string

Full name: Script.escape_char
val c : char
Multiple items
val char : value:'T -> char (requires member op_Explicit)

Full name: Microsoft.FSharp.Core.Operators.char

--------------------
type char = System.Char

Full name: Microsoft.FSharp.Core.char
type bool = System.Boolean

Full name: Microsoft.FSharp.Core.bool
Multiple items
val string : value:'T -> string

Full name: Microsoft.FSharp.Core.Operators.string

--------------------
type string = System.String

Full name: Microsoft.FSharp.Core.string
val internal escape_string : str:string -> string

Full name: Script.escape_string
val str : string
val buf : obj
property System.String.Length: int
val s : string
val ignore : value:'T -> unit

Full name: Microsoft.FSharp.Core.Operators.ignore
System.Object.ToString() : string
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More information

Link:http://fssnip.net/5O
Posted:12 years ago
Author:hammett
Tags: string char

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