Cargo Features

pi_debug_info has no features set by default.

[dependencies]
pi_debug_info = { version = "0.1.0", features = ["print", "wasm-bindgen"] }
print
wasm-bindgen = web-sys

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.

web-sys wasm-bindgen?