go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/luciexe/legacy/annotee/annotation/doc.go (about) 1 // Copyright 2015 The LUCI Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // Package annotation implements a state machine that constructs Milo annotation 16 // protobufs from a series of annotation commands. 17 // 18 // The annotation state is represented by a State object. Annotation strings are 19 // appended to the State via Append(), causing the State to incorporate that 20 // annotation and advance. During state advancement, any number of the State's 21 // Callbacks may be invoked in response to changes that are made. 22 // 23 // State is pure (not bound to any I/O). Users of a State should interact with 24 // it by implementing Callbacks. 25 package annotation