Module substring 

Substring-search sub-dialect.

Constants

SCAN_SUBSTRING_OP_ID

Canonical scan op id.

Functions

substring_search

Build a Program that writes 1 to matches[i] when haystack[i..] starts with needle, else 0. Both buffers are u32 byte arrays packed one byte per u32 for simplicity (a future packed-u8 version is Category A over DataType::U8).