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### Sprawdź kod

* Przeczytaj kod, zastanów się czy ma sens, **uruchom go lokalnie** i potwierdź czy faktycznie rozwiązuje problem.

* Następnie dodaj **komentarz** z informacją o tym, że sprawdziłeś kod, dzięki temu będę miał pewność, że faktycznie go sprawdziłeś.

/// info

Niestety, nie mogę ślepo ufać PR-om, nawet jeśli mają kilka zatwierdzeń.

Dessa forma eu pude encontrar a melhor maneira de reduzir duplicação de código o máximo possível, ter completação de texto em todos os lugares, conferência de tipos e erros etc.

	fmt.Println(b.String())
	fmt.Println(string(rdbuf))
	// Output:
	// 1
	// bcde
	// a
}

func ExampleBuffer_ReadByte() {
	var b bytes.Buffer
	b.Grow(64)
	b.Write([]byte("abcde"))
	c, err := b.ReadByte()
	if err != nil {
		panic(err)
	}
	fmt.Println(c)
	fmt.Println(b.String())
	// Output:
	// 97
	// bcde
}

func ExampleClone() {
	b := []byte("abc")
	clone := bytes.Clone(b)

    url: https://github.com/hgalytoby
  - login: conservative-dude
    avatarUrl: https://avatars.githubusercontent.com/u/55538308?u=f250c44942ea6e73a6bd90739b381c470c192c11&v=4
    url: https://github.com/conservative-dude
  - login: Joaopcamposs
    avatarUrl: https://avatars.githubusercontent.com/u/57376574?u=699d5ba5ee66af1d089df6b5e532b97169e73650&v=4

    // These have a combination of invalid length, unrecognized characters and wrong padding.
    assertFailsToDecode(base32(), "AB=C", "Unrecognized character: =");
    assertFailsToDecode(base32(), "A=BCDE", "Invalid input length 6");
    assertFailsToDecode(base32(), "?", "Invalid input length 1");
  }

  public void testBase32UpperCaseIsNoOp() {
    assertThat(base32().upperCase()).isSameInstanceAs(base32());
  }

    // These have a combination of invalid length, unrecognized characters and wrong padding.
    assertFailsToDecode(base32(), "AB=C", "Unrecognized character: =");
    assertFailsToDecode(base32(), "A=BCDE", "Invalid input length 6");
    assertFailsToDecode(base32(), "?", "Invalid input length 1");
  }

  public void testBase32UpperCaseIsNoOp() {
    assertThat(base32().upperCase()).isSameInstanceAs(base32());
  }

Maar dan moet je “die methode die de eerste letter naar hoofdletters converteert” aanroepen.

Was het `upper`? Was het `uppercase`? `first_uppercase`? `capitalize`?

Dan roep je de hulp in van je oude programmeursvriend, (automatische) code aanvulling in je editor.

Je typt de eerste parameter van de functie, `first_name`, dan een punt (`.`) en drukt dan op `Ctrl+Spatie` om de aanvulling te activeren.

			testRemaining{0, 0},
		},
	}, {
		maker: makeReg{1, "a"},
		tests: []testFnc{
			testRemaining{1, 1},
			testWrite{"", 0, nil},
			testWrite{"a", 1, nil},
			testWrite{"bcde", 0, ErrWriteTooLong},
			testWrite{"", 0, nil},
			testReadFrom{fileOps{""}, 0, nil},
			testReadFrom{fileOps{"a"}, 0, ErrWriteTooLong},
			testRemaining{0, 0},
		},
	}, {
		maker: makeReg{5, "hello"},