Extract function to record if a feature was seen before
Extract function to record if a feature was seen before

vojtechkral/cargo,tsurai/cargo,rustyhorde/cargo,tshepang/cargo,tshepang/cargo,achanda/cargo,achanda/cargo,rustyhorde/cargo,achanda/cargo,achanda/cargo,eminence/cargo,tshepang/cargo,nipunn1313/cargo,eminence/cargo,nipunn1313/cargo,rustyhorde/cargo,vojtechkral/cargo,rust-lang/cargo,rust-lang/cargo,rust-lang/cargo,tsurai/cargo,tsurai/cargo,rustyhorde/cargo,vojtechkral/cargo,nipunn1313/cargo,tsurai/cargo,tshepang/cargo,eminence/cargo,eminence/cargo,tsurai/cargo,rust-lang/cargo,nipunn1313/cargo,vojtechkral/cargo