Enum TruncationStrategy 

pub enum TruncationStrategy {
    Error,
    TruncateStart,
    TruncateEnd,
    TruncateBoth,
}

文本截断策略

Variants

Error

直接报错（严格要求）

TruncateStart

从开头截断（保留前 N 个 token）

TruncateEnd

从末尾截断（保留后 N 个 token）

TruncateBoth

保留首尾各 N/2 个 token（适合 LLM 输出）

Trait Implementations

impl Clone for TruncationStrategy

fn clone(&self) -> TruncationStrategy

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TruncationStrategy

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for TruncationStrategy

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for TruncationStrategy

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.