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Wordle 445 4/6

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Behzad Sedighzadeh wrote:

... recent addings to the language ...

Behzad Sedighzadeh wrote:

Named/optional arguments

Behzad Sedighzadeh wrote:

??
?[]

Behzad Sedighzadeh wrote:

discards

Behzad Sedighzadeh wrote:

()

Behzad Sedighzadeh wrote:

Switch expressions

public readonly double Distance => Math.Sqrt(X * X + Y * Y);

public static bool IsLetterOrSeparator(this char c) =>
    c is (>= 'a' and <= 'z') or (>= 'A' and <= 'Z') or '.' or ',';

static Quadrant GetQuadrant(Point point) => point switch
{
    (0, 0) => Quadrant.Origin,
    var (x, y) when x > 0 && y > 0 => Quadrant.One,
    var (x, y) when x < 0 && y > 0 => Quadrant.Two,
    var (x, y) when x < 0 && y < 0 => Quadrant.Three,
    var (x, y) when x > 0 && y < 0 => Quadrant.Four,
    var (_, _) => Quadrant.OnBorder,
    _ => Quadrant.Unknown
};

Chris Maunder wrote:

C#

public readonly double Distance => Math.Sqrt(X * X + Y * Y);

That would give you a CS0106 compiler error.
You would need either:

C#

public readonly double Distance = Math.Sqrt(X * X + Y * Y);

or:

C#

public double Distance => Math.Sqrt(X * X + Y * Y);

Chris Maunder wrote:

C#

c is (>= 'a' and <= 'z') or (>= 'A' and <= 'Z')

(uint)((c | 0x20) - 'a') <= 'z' - 'a'