std/fmt: add support for complex types

Author: mertcandav

std/fmt/format.jule

@@ -55,6 +55,10 @@ fn formatByDefault(mut &buf: *strings::Builder, arg: any) {
 		buf.WriteStr(conv::FormatFloat(f64(arg.(f32)), 'g', -1, 32))!
 	| f64:
 		buf.WriteStr(conv::FormatFloat(arg.(f64), 'g', -1, 64))!
+	| cmplx64:
+		buf.WriteStr(conv::FormatCmplx(cmplx128(arg.(cmplx64)), 'g', -1, 64))!
+	| cmplx128:
+		buf.WriteStr(conv::FormatCmplx(arg.(cmplx128), 'g', -1, 128))!
 	| int:
 		buf.WriteStr(conv::FormatInt(i64(arg.(int)), 10))!
 	| i8:
@@ -200,6 +204,10 @@ fn bprintgw[T](mut &sb: *strings::Builder, t: T) {
 			sb.WriteStr(conv::FormatFloat(f64(t), 'g', -1, 32))!
 		| comptime::F64:
 			sb.WriteStr(conv::FormatFloat(f64(t), 'g', -1, 64))!
+		| comptime::Cmplx64:
+			sb.WriteStr(conv::FormatCmplx(cmplx128(t), 'g', -1, 64))!
+		| comptime::Cmplx128:
+			sb.WriteStr(conv::FormatCmplx(cmplx128(t), 'g', -1, 128))!
 		| comptime::Int | comptime::I8 | comptime::I16 | comptime::I32 | comptime::I64:
 			sb.WriteStr(conv::FormatInt(i64(t), 10))!
 		| comptime::Uint | comptime::U8 | comptime::U16 | comptime::U32 | comptime::U64: