Foundations
Conditionals
An if statement chooses which block runs after checking a Boolean condition.
Choose a label
conditionals.swift
let temperature =
let label: String
if temperature >= 80 {
label = "hot"
} else if temperature >= 60 {
label = "warm"
} else {
label = "cool"
}
print("temperature=\(temperature)")
print("label=\(label)")
let temperature =
let label: String
if temperature >= 80 {
label = "hot"
} else if temperature >= 60 {
label = "warm"
} else {
label = "cool"
}
print("temperature=\(temperature)")
print("label=\(label)")
let temperature =
let label: String
if temperature >= 80 {
label = "hot"
} else if temperature >= 60 {
label = "warm"
} else {
label = "cool"
}
print("temperature=\(temperature)")
print("label=\(label)")
if else
Use `if` for the true branch and `else` for the fallback branch.