Enum Kind 

pub enum Kind<'a> {
    Int(&'a Integer),
    Rat(&'a Rational),
    Float(f64),
    Sym(&'a str),
    Fn {
        head: &'a str,
        args: &'a [u32],
    },
    Pow {
        base: u32,
        exp: u32,
    },
    Mul(&'a [u32]),
    Add(&'a [u32]),
}

节点的只读视图。复合节点给子节点索引，调用方继续经 Inspector 递归。

Variants

Int(&'a Integer)

Rat(&'a Rational)

Float(f64)

Sym(&'a str)

Fn

Fields

head: &'a str

args: &'a [u32]

Pow

Fields

base: u32

exp: u32

Mul(&'a [u32])

Add(&'a [u32])

Trait Implementations

impl<'a> Debug for Kind<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.