Cargo Features

[dependencies]
horrorshow = { version = "0.8.4", default-features = false, features = ["std", "alloc", "ops"] }
default = alloc, ops, std

These default features are set whenever horrorshow is added without default-features = false somewhere in the dependency tree.

std default = alloc

Affects error::Error, template::Template.write_to_io

alloc default std

Affects error::Error.render, render::RenderBox, template::Template.into_string, template::Template.write_to_string

ops default