Method emit_default

core/src/compiler/codegen.rs:114–122

Emits code to set `reg` to the default value for `vtype`.

(&mut self, reg: Register, vtype: ExprType, pos: LineCol)

    /// Emits code to set `reg` to the default value for `vtype`.
    pub(super) fn emit_default(&mut self, reg: Register, vtype: ExprType, pos: LineCol) {
        let instr = match vtype {
            ExprType::Boolean | ExprType::Double | ExprType::Integer => {
                bytecode::make_load_integer(reg, 0)
            }
            ExprType::Text => bytecode::make_alloc(reg, ExprType::Text),
        };
        self.emit(instr, pos);
    }

    /// Emits code to set `reg` to the specific `datum` value.
    pub(super) fn emit_value(