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authorsupernullset <sean.j.williamson@gmail.com>2013-11-04 19:21:17 -0800
committersupernullset <sean.j.williamson@gmail.com>2013-11-04 19:21:17 -0800
commit2a60ecbb8d5d6a22fe5df3aa1efa8f1314da9326 (patch)
tree36ba9e313c5e0718ba542b0d31131c21cb28a82a /julia.html.markdown
parent9f0ae279d83a41bec3c9998c5245c46908942873 (diff)
Update syntax for `in` calls
The call was flipped from how it is in the current documentation: http://docs.julialang.org/en/latest/stdlib/base/#Base.in
Diffstat (limited to 'julia.html.markdown')
-rw-r--r--julia.html.markdown34
1 files changed, 17 insertions, 17 deletions
diff --git a/julia.html.markdown b/julia.html.markdown
index 4ebd50ff..c3d2195b 100644
--- a/julia.html.markdown
+++ b/julia.html.markdown
@@ -100,7 +100,7 @@ false
println("I'm Julia. Nice to meet you!")
# You don't declare variables before assigning to them.
-some_var = 5 #=> 5
+some_var = 5 #=> 5
some_var #=> 5
# Accessing a previously unassigned variable is an error
@@ -201,7 +201,7 @@ b = [1,2,3]
append!(a,b) # Now a is [1, 2, 3, 4, 5, 1, 2, 3]
# Check for existence in a list with in
-in(a,1) #=> true
+in(1, a) #=> true
# Examine the length with length
length(a) #=> 8
@@ -218,7 +218,7 @@ end
# Many list functions also work on tuples
length(tup) #=> 3
tup[1:2] #=> (1,2)
-in(tup,2) #=> true
+in(2, tup) #=> true
# You can unpack tuples into variables
a, b, c = (1, 2, 3) #=> (1,2,3) # a is now 1, b is now 2 and c is now 3
@@ -249,14 +249,14 @@ keys(filled_dict)
#=> KeyIterator{Dict{ASCIIString,Int64}}(["three"=>3,"one"=>1,"two"=>2])
# Note - dictionary keys are not sorted or in the order you inserted them.
-# Get all values
+# Get all values
values(filled_dict)
#=> ValueIterator{Dict{ASCIIString,Int64}}(["three"=>3,"one"=>1,"two"=>2])
# Note - Same as above regarding key ordering.
# Check for existence of keys in a dictionary with in, haskey
-in(filled_dict, ("one", 1)) #=> true
-in(filled_dict, ("two", 3)) #=> false
+in(("one", 1), filled_dict) #=> true
+in(("two", 3), filled_dict) #=> false
haskey(filled_dict, "one") #=> true
haskey(filled_dict, 1) #=> false
@@ -281,8 +281,8 @@ filled_set = Set(1,2,2,3,4) #=> Set{Int64}(1,2,3,4)
push!(filled_set,5) #=> Set{Int64}(5,4,2,3,1)
# Check if the values are in the set
-in(filled_set,2) #=> true
-in(filled_set,10) #=> false
+in(2, filled_set) #=> true
+in(10, filled_set) #=> false
# There are functions for set intersection, union, and difference.
other_set = Set(3, 4, 5, 6) #=> Set{Int64}(6,4,5,3)
@@ -396,7 +396,7 @@ varargs(1,2,3) #=> (1,2,3)
# The ... is called a splat.
# We just used it in a function definition.
# It can also be used in a fuction call,
-# where it will splat an Array or Tuple's contents into the argument list.
+# where it will splat an Array or Tuple's contents into the argument list.
Set([1,2,3]) #=> Set{Array{Int64,1}}([1,2,3]) # produces a Set of Arrays
Set([1,2,3]...) #=> Set{Int64}(1,2,3) # this is equivalent to Set(1,2,3)
@@ -423,7 +423,7 @@ end
# You can define functions that take keyword arguments
function keyword_args(;k1=4,name2="hello") # note the ;
return ["k1"=>k1,"name2"=>name2]
-end
+end
keyword_args(name2="ness") #=> ["name2"=>"ness","k1"=>4]
keyword_args(k1="mine") #=> ["k1"=>"mine","name2"=>"hello"]
@@ -511,7 +511,7 @@ end
# The default constructor's arguments are the properties
# of the tyep, in order the order they are listed in the definition
tigger = Tiger(3.5,"orange") #=> Tiger(3.5,"orange")
-
+
# The type doubles as the constructor function for values of that type
sherekhan = typeof(tigger)(5.6,"fire") #=> Tiger(5.6,"fire")
@@ -529,8 +529,8 @@ subtypes(Number) #=> 6-element Array{Any,1}:
# Complex{Float32}
# Complex{Float64}
# Complex{T<:Real}
- # ImaginaryUnit
- # Real
+ # ImaginaryUnit
+ # Real
subtypes(Cat) #=> 0-element Array{Any,1}
# Every type has a super type; use the `super` function to get it.
@@ -565,7 +565,7 @@ end
# When possible, you should use outer constructors rather than inner ones.
####################################################
-## 6. Multiple-Dispatch
+## 6. Multiple-Dispatch
####################################################
# In Julia, all named functions are generic functions
@@ -641,11 +641,11 @@ end
# Also let the cat go first
fight(c::Cat,l::Lion) = println("The cat beats the Lion")
-#=> Warning: New definition
+#=> Warning: New definition
# fight(Cat,Lion) at none:1
-# is ambiguous with
+# is ambiguous with
# fight(Lion,Cat) at none:2.
-# Make sure
+# Make sure
# fight(Lion,Lion)
# is defined first.
#fight (generic function with 4 methods)