Method finish_fstring

crates/codegen/src/compile.rs:10007–10029

(
        &mut self,
        mut pending_literal: Option<Wtf8Buf>,
        mut element_count: u32,
    )

    }

    fn finish_fstring(
        &mut self,
        mut pending_literal: Option<Wtf8Buf>,
        mut element_count: u32,
    ) -> CompileResult<()> {
        let keep_empty = element_count == 0;
        self.emit_pending_fstring_literal(&mut pending_literal, &mut element_count, keep_empty);

        if element_count == 0 {
            self.emit_load_const(ConstantData::Str {
                value: Wtf8Buf::new(),
            });
        } else if element_count > 1 {
            emit!(
                self,
                Instruction::BuildString {
                    count: element_count
                }
            );
        }

        Ok(())
    }

    fn emit_pending_fstring_literal(
        &mut self,