Type reflection Type reflection Crystal provides basic methods to do type reflection, casting and introspection.

Type reflection Type reflection Crystal provides basic methods to do type reflection, casting and introspection.

Oracle兼容-存储过程-TYPE IS RECORD 1. 语法 2. 定义和用法 3. Oracle兼容说明 4. 示例 问题反馈 联系我们 Oracle兼容-存储过程-TYPE IS RECORD 1. 语法 1. SET sql_mode = ORACLE ; TYPE var IS RECORD ( co...

UUID Type Examples UUID Type A UUID is a universally unique identifier consisting of 32 hexadecimal digits followed by 4 hyphens. UUIDs are globally unique, not unique in the d...

YEAR Type Two-Digit Years in Dates YEAR Type The YEAR type is a 1-byte data type used to represent year values. It can be declared as YEAR with an implicit display width of 4 c...

Type reflection Type reflection Crystal provides basic methods to do type reflection, casting and introspection.

Type grammar Paths and generics Union Nilable Pointer StaticArray Tuple NamedTuple Proc self class Underscore typeof Type grammar When: specifying type restriction...

Type autocasting Number autocasting Symbol autocasting Type autocasting Crystal transparently casts elements of certain types when there is no ambiguity. Number autocasting ...

Type reflection Type reflection Crystal provides basic methods to do type reflection, casting and introspection.

Type grammar Paths and generics Union Nilable Pointer StaticArray Tuple NamedTuple Proc self class Underscore typeof Type grammar When: specifying type restriction...