Cargo Features
high_mem_utils has no features set by default.
[dependencies]
high_mem_utils = { version = "0.2.7", features = ["serde_support"] }- serde_support = serde
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.