Cargo Features

[dependencies]
one-or-many = { version = "0.3.1", default-features = false, features = ["serde", "surrealdb"] }
default = serde

The serde feature is set by default whenever one-or-many is added without default-features = false somewhere in the dependency tree.

serde default surrealdb?

Enables serde

surrealdb = serde

Enables surrealdb =2.2.2

OneOrMany has 3 features without comments.