base 编译指示修饰。 base 编译指示对于开发者来说也是⼀种提醒: 这个基⽅法 m 是推断⽅法 m 所能产⽣的所有效果的⼀个基础。 注意: ⽬前还不⽀持⽅法的编译期执⾏。 注意: 从 Nim 0.20 开始，泛型⽅法已被弃⽤。 多重⽅法 (Multi-methods) Note 从 Nim 0.20 开始，要启⽤多重⽅法，开发者必须在编译时显式添加 --multimethods:on 循环的执⾏⾄关重要。当程序执⾏到 yield 语句时，数据会绑定 到 for 循环变量，同时控制权也移交到循环体并继 续执⾏。迭代器的局部变量和执⾏状态在多次调⽤期间会⾃动保存。 例如: 编译器会⽣成如下代码，就像是开发者写的⼀样: 如果迭代器的 yield 语句产⽣的是元组，那么可以有多个循环变量，个数等于元组的元素数。 第 i 次循环变量的类型就是元组第 i 个元素的类型。换句话说，循环上下⽂⽀持隐式元组拆包。 i in toItr(recCountDown(6)): # 输出: 6 5 4 3 2 1 echo i 转换器 转换器和普通过程相似，但它增强了"隐式转换"类型的关系，参阅转换关系: 开发者可以显式调⽤转换器以提⾼代码的可读性。 请注意编译不⽀持隐式转换器的链式调⽤: 假设存在 A 类型到 B 类型和 B 类型到 C 类型的转换器，Nim 不提供从 A 转换为 C 类型的隐式转换。

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$i$[s ep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is optional

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$i$[s ep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is optional

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$f$[sep]$i$[sep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is optional

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$f$[sep]$i$[sep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) 248 jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$f$[sep]$i$[sep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is optional

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$f$[sep]$i$[sep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) 248 jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$f$[sep]$i$[sep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) 248 jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$f$[sep]$i$[sep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) 248 jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is

the same size, the number of pads to create, and the pad number and name. That is pad x1 y1 x2 y2 r dx dy n num name The first five arguments are mandatory, while the rest are optional, with default values result += 1 var st: string var x1, y1, x2, y2, dx, dy: float var px2, py2: int # bool var n: int var number, name: string (st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) = ("pad", NaN, NaN, 0, NaN $[sep]$f$[sep]$f$[sep]$i$[sep]$w$[sep]$w", st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) 248 jecho(res, st, x1, y1, px2, x2, py2, y2, dx, dy, n, number, name) # using the plus matcher, so the '+' is