89 lines
1.8 KiB
HTML
89 lines
1.8 KiB
HTML
<h2>Comments</h2>
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<pre><code>// Single line comment
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(* Multi-line
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comment *)</code></pre>
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<h2>Strings</h2>
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<pre><code>"foo \"bar\" baz"
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'foo \'bar\' baz'
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@"Verbatim strings"
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"""Alternate "verbatim" strings"""
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</code></pre>
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<h2>Numbers</h2>
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<pre><code>//8 bit Int
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86y
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0b00000101y
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//Unsigned 8 bit Int
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86uy
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0b00000101uy
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//16 bit Int
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86s
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//Unsigned 16 bit Int
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86us
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//Int
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86
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86l
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0b10000
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0x2A6
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//Unsigned Int
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86u
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86ul
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//unativeint
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0x00002D3Fun
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//Long
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86L
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//Unsigned Long
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86UL
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//Float
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4.14F
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4.14f
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4.f
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4.F
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0x0000000000000000lf
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//Double
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4.14
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2.3E+32
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2.3e+32
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2.3e-32
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2.3e32
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0x0000000000000000LF
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//BigInt
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9999999999999999999999999999I
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//Decimal
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0.7833M
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0.7833m
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3.m
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3.M
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</code></pre>
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<h2>Full example</h2>
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<pre><code>// The declaration creates a constructor that takes two values, name and age.
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type Person(name:string, age:int) =
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// A Person object's age can be changed. The mutable keyword in the
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// declaration makes that possible.
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let mutable internalAge = age
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// Declare a second constructor that takes only one argument, a name.
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// This constructor calls the constructor that requires two arguments,
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// sending 0 as the value for age.
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new(name:string) = Person(name, 0)
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// A read-only property.
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member this.Name = name
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// A read/write property.
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member this.Age
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with get() = internalAge
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and set(value) = internalAge <- value
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// Instance methods.
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// Increment the person's age.
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member this.HasABirthday () = internalAge <- internalAge + 1
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// Check current age against some threshold.
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member this.IsOfAge targetAge = internalAge >= targetAge
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// Display the person's name and age.
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override this.ToString () =
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"Name: " + name + "\n" + "Age: " + (string)internalAge
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</code></pre> |