Cargo Features

[dependencies]
fallible_collections = { version = "0.5.1", default-features = false, features = ["std", "std_io", "hashmap", "unstable", "rust_1_57"] }
default = hashmap

The hashmap feature is set by default whenever fallible_collections is added without default-features = false somewhere in the dependency tree.

std std_io?

Allow use of std

std_io = std

Functionality based on std::io types

Affects vec::std_io

hashmap default

Add fallible HashMap

Enables hashbrown ^0.14

Affects fallible_collections::hashmap

unstable

Enable on nightly builds to allow use of unstable features

Affects fallible_collections::btree, vec::try_from_elem

rust_1_57

Obsolete. Always enabled.