module Std::Fmt {
/* String formatting with positional placeholders {0}, {1}, {2}...
 *
 * Usage:
 *   Fmt_Fmt1("Hello, {0}!", "World")
 *   Fmt_FmtInt("Count: {0}", 42)
 *   Fmt_FmtFloat("Pi: {0}", 3.14159)
 *   Fmt_FmtBool("Active: {0}", true)
 *   Fmt_Fmt2("Name: {0}, Age: {1}", name, String_FromInt(age))
 */

func Fmt_Fmt1(pattern: String, a: String) -> String {
    return String_Format1(pattern, a);
}

func Fmt_Fmt2(pattern: String, a: String, b: String) -> String {
    return String_Format2(pattern, a, b);
}

func Fmt_Fmt3(pattern: String, a: String, b: String, c: String) -> String {
    return String_Format3(pattern, a, b, c);
}

func Fmt_FmtInt(pattern: String, n: int64) -> String {
    return String_Format1(pattern, String_FromInt(n));
}

func Fmt_FmtInt2(pattern: String, n1: int64, n2: int64) -> String {
    return String_Format2(pattern, String_FromInt(n1), String_FromInt(n2));
}

func Fmt_FmtFloat(pattern: String, f: float64) -> String {
    return String_Format1(pattern, String_FromFloat(f));
}

func Fmt_FmtBool(pattern: String, b: bool) -> String {
    if b {
        return String_Format1(pattern, "true");
    }
    return String_Format1(pattern, "false");
}
}