Struct TypeIndexMap

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pub struct TypeIndexMap {
    pub type_index_begin: TypeIndex,
    pub type_index_end: TypeIndex,
    pub starts: Vec<u32>,
}
Expand description

Maps TypeIndex values to the byte range of records within a type stream.

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§type_index_begin: TypeIndex

Copied from type stream header.

§type_index_end: TypeIndex

Copied from type stream header.

§starts: Vec<u32>

Contains a “starts” vector for the byte offsets of each type record.

This vector has an additional value at the end, which gives the size in bytes of the type stream.

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impl TypeIndexMap

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pub fn is_primitive(&self, ti: TypeIndex) -> bool

Tests whether a TypeIndex is a primitive type.

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pub fn record_range(&self, ti: TypeIndex) -> Result<Range<usize>>

Given a TypeIndex, returns the byte range within a TypeStream where that record is stored.

If ti is a primitive type then this function will return Err. The caller should use the is_primitive method to check whether a TypeIndex is a primitive type.

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