Go Roadmap - simpleprog

simpleprog

Foundations

▸ Goroutine Scheduling (M:N)

▸ Channel Types & Directions

▸ Select Statement & Multiplexing

Core Concepts

▸ Fan-Out / Fan-In Patterns

▸ Context Package & Cancellation

▸ sync.Pool & Object Reuse

Intermediate Skills

▸ Worker Pool (Pipeline)

▸ errgroup for Error Handling

▸ Interface Satisfaction (Duck Typing)

Advanced Topics

▸ Empty Interface (any) & Type Assertions

▸ Type Switches

▸ Interface Embedding

Expert Level

▸ Generics in Go 1.18+

▸ Type Constraints & ~ Operator

▸ Constraints Package (comparable, ordered)

Mastery

▸ Go Memory Model (happens-before)

▸ Stack vs Heap Allocation (Escape Analysis)

▸ GC: Non-Generational Concurrent Mark-Sweep

Ecosystem

▸ GC Tuning (GOGC, GOMEMLIMIT)

▸ Memory Profiling (pprof)

▸ Compiler Alloc Optimizations

Architecture

▸ Goroutine Stack Growth

▸ reflect.Type & reflect.Value

▸ Modifying Values via Reflection

Optimization

▸ Reflective Struct Tag Parsing

▸ Creating Functions at Runtime

▸ Deep Equal Implementation

Deployment

▸ Performance Cost of Reflection

▸ Flect Library for Reflection

▸ Table-Driven Tests

Phase 11

▸ Subtests & Parallel Execution

▸ Test Fixtures (TestMain)

▸ Fuzzing (Go 1.18+)

Phase 12

▸ Benchmarking & Profiling

▸ Mocking Interfaces with Testify

▸ Integration Testing with httptest

Phase 13

▸ Mutex vs RWMutex

▸ Atomic Operations (sync/atomic)

▸ Once for Lazy Initialization

Phase 14

▸ Cond for Event Signaling

▸ Semaphore Pattern (Weighted)

▸ Pipeline & Chain Patterns

Phase 15

▸ Parallel MapReduce in Go

▸ CPU & Memory Profiling (pprof)

▸ Tracing with go tool trace

Phase 16

▸ Escape Analysis & Allocation Reduction

▸ Compiler Optimizations (inlining, bounds check elimination)

▸ Benchmark Best Practices (benchmem)

Phase 17

▸ Weapon of Mass Destruction: sync.Pool Explained

▸ Profiling gRPC & HTTP Services

▸ Module Path & Versioning

Phase 18

▸ Go Sum & Checksum Database

▸ Workspace Mode (Go 1.18+)

▸ Replacing Dependencies (replace directive)

Phase 19

▸ Vendor Mode

▸ Minimal Version Selection (MVS)

▸ Retract & Deprecation Directives

Phase 20

▸ unsafe.Pointer & ArbitraryType

▸ Sizeof, Alignof, Offsetof

▸ Pointer Arithmetic

Phase 21

▸ String to Byte Slice Conversion (no copy)

▸ Slice Header Manipulation

▸ unsafe.Slice & unsafe.String (Go 1.20+)

Phase 22

▸ Safety Rules for unsafe.Pointer

▸ net/http Handler Internals

▸ HTTP Client Connection Pooling

Phase 23

▸ gRPC Streams vs Unary

▸ WebSocket (gorilla/websocket)

▸ TCP Server with net.Dialer

Phase 24

▸ UDP & Multicast in Go

▸ TLS Certificate Pinning

▸ JSON Encoding Tags & MarshalJSON

Phase 25

▸ Custom Marshaler/Unmarshaler

▸ Protocol Buffers (protobuf)

▸ MessagePack (msgpack)

Phase 26

▸ Gob Encoding

▸ Binary Encoding (binary package)

▸ Schema Evolution & Compatibility

Go RoadmapGo

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