Cargo Features

annotate-snippets has no features set by default.

[dependencies]
annotate-snippets = { version = "0.11.5", features = ["simd", "testing-colors"] }
simd = memchr
testing-colors

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

memchr simd?