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--- functional:fsharp [2011/01/28 16:14]
alfred
+++ functional:fsharp [2020/05/09 09:25] (actual)
@@ Línea 140: / Línea 140: @@
 buf.Append("(you know the rest...)")
 </code>
 ==== Condicionales ====
 Existe el tipo de dato boolean:
@@ Línea 171: / Línea 173: @@
 let a, b = 100, 200
 (if a < b then "a < b" else "a is not less than b") |> ignore
+</code>
+Los if's son expresiones que evaluan como ''unit''.
+==== Bucles ====
+Los bucles son expresiones que evaluan como ''unit''.
+=== for..do ===
+<code>
+for i = 1 to 10 do
+    printfn "i = %d" i
+// Count from 1 to 10, with identifiers
+let a, b = 1, 10
+for k = a to b do
+    printfn "k = %d" k
+// Count down from 10 (down) to 1
+for j = 10 downto 1 do
+    printfn "j = %d" j
+// Sum the first 5 non-zero integers.
+// This is quite "imperative." We'll see its functional cousin later.
+let mutable sum = 0
+for n = 1 to 5 do
+    sum <- sum + n
+    printfn "current sum = %d" sum
+</code>
+=== while ===
+<code>
+// Output numbers from 1-10 and squares
+let mutable n = 1
+while n <= 10 do
+    let sq = n * n
+    printfn "%d %d" n sq
+    n <- n + 1
+// Note mutable applies to both identifiers below
+let mutable a, b = 1, 10
+while b > a do
+    printfn "%d %d" a b
+    a <- a + 1
+    b <- b - 1
+// Using parentheses and Boolean conjuction
+let mutable a, b, c = 1, 10, 0
+while ((a < b) && (c < 3)) do
+    printfn "%d %d %d" a b c
+    c <- c + 2
 </code>

Programming