Weekly Review — Month 1 · Week 1 (Days 001–007)

Journal index · Roadmap › Week 1

📅 The Week in One Line

Set up the Go toolchain and got fluent with the language's basics: declarations, types, control flow, functions, and packages.

✅ What I Completed

• Day 001 — Toolchain & first program
• Day 002 — Variables, constants, iota
• Day 003 — Types & conversions (+ temp converter)
• Day 004 — Control flow (+ FizzBuzz)
• Day 005 — Functions, multiple returns, defer (+ calculator)
• Day 006 — Packages & modules (+ mathutil package & tests)
• Day 007 — Review & closed-book recall
• Mini-projects: greeting/examples + mathutil package
• Exercises solved: 3 (FizzBuzz, temp converter, calculator) — all with tests

💡 Lessons Learned

• Zero values + "no implicit conversions" remove a whole class of bugs.
• iota and 1 << iota are the idiomatic enum/flag tools.
• defer evaluates args eagerly but runs LIFO at return.
• Capitalization is the entire access-control model.

💪 Strengths (what clicked)

• Control flow and functions felt natural.
• Writing and running tests early was motivating.

🧩 Weaknesses (what's still fuzzy)

• Rune/byte edge cases beyond the basics.
• When exactly to split packages.

🔁 Spaced-Repetition Re-quiz (carry forward)

1. Q: What does a bare return do with named results?
   A

   Returns the current values of the named result variables.
2. Q: What's the zero value of a slice, map, and pointer?
   A

   nil for all three.

🎯 Action Items

• Re-read the slices cheatsheet before Day 009 (slice internals).
• Add one more Exercism easy exercise for extra reps.

🚀 Next Week Goals

• Master slice internals (cap/append aliasing), maps/sets, strings/runes, and structs.
• Build the contacts-book mini-project.

📊 Metrics

Hours	Days hit	Exercises	Commits	Avg confidence
11	7/7	3	7	3.⅗

Suggested commit: docs(journal): week 1 review