c# - IEnumerable<T>'requires '1' type arguments -


in order make changes in dll given used iaspectprovider interface , satisfy required provideaspects method. as

public class traceaspectprovider : iaspectprovider {     readonly sometracingaspect aspecttoapply = new sometracingaspect();      public ienumerable provideaspects(object targetelement) {         assembly assembly = (assembly)targetelement;         list instances = new list();         foreach (type type in assembly.gettypes()) {             processtype(type, instances);         }         return instances;     }     void processtype(type type, list instances) {         foreach (methodinfo targetmethod in type.getmethods(bindingflags.instance | bindingflags.public | bindingflags.declaredonly)) {             instances.add(new aspectinstance(targetmethod, aspecttoapply));         }         foreach (type nestedtype in type.getnestedtypes()) {             processtype(nestedtype, instances);         }     } }

while running getting these error

waiting valuable comments

if @ the documentation provideaspects(), notice returns ienumerable<aspectinstance>, that's have use in code too:

public class traceaspectprovider : iaspectprovider {     readonly sometracingaspect aspecttoapply = new sometracingaspect();      public ienumerable<aspectinstance> provideaspects(object targetelement) {         assembly assembly = (assembly)targetelement;         list<aspectinstance> instances = new list<aspectinstance>();         foreach (type type in assembly.gettypes()) {             processtype(type, instances);         }         return instances;     }     void processtype(type type, list<aspectinstance> instances) {         foreach (methodinfo targetmethod in type.getmethods(bindingflags.instance | bindingflags.public | bindingflags.declaredonly)) {             instances.add(new aspectinstance(targetmethod, aspecttoapply));         }         foreach (type nestedtype in type.getnestedtypes()) {             processtype(nestedtype, instances);         }     } }

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